CN112208243A - Anti-falling pen with finely adjustable use force - Google Patents
Anti-falling pen with finely adjustable use force Download PDFInfo
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- CN112208243A CN112208243A CN202011151237.1A CN202011151237A CN112208243A CN 112208243 A CN112208243 A CN 112208243A CN 202011151237 A CN202011151237 A CN 202011151237A CN 112208243 A CN112208243 A CN 112208243A
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- adjustable
- front shell
- pen
- adjustable front
- penholder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K3/00—Nib holders
- B43K3/04—Nib holders with retractable nibs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
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Abstract
The invention relates to a pen, in particular to a drop-resistant pen with fine-adjustable use force; comprises an inner penholder, an adjustable front casing, a rear penholder, a refill and a return spring; an outer ring bulge is arranged outside the inner penholder; the adjustable front shell comprises an inner resistance ring, one or more adjustable fixed rods and a fixed rod accommodating groove, the adjustable fixed rods are arranged in the fixed rod accommodating groove, and external threads are arranged on the adjustable front shell by the end, close to the adjustable fixed rods, of the adjustable front shell; the tail part of the rear pen container is provided with a pen core fixing seat, and the front part of the rear pen container is provided with an internal thread; the internal thread of the rear pen container and the external thread of the adjustable front container are in threaded fit with each other; the inner penholder is sleeved in the adjustable front shell in a sliding manner; the inner side of the adjustable fixing rod is provided with a fixed inner convex point, and the fixed inner convex point and the outer annular convex point are mutually clamped; the outside of the adjustable fixed rod is provided with an inclined slope with a certain gradient.
Description
Technical Field
The invention relates to a pen, in particular to a drop-resistant pen with fine-adjustable use force.
Background
Nowadays, with the development of times, the culture level of the society is continuously rising, and the appearance of the society as a culture inheritance tool and a pen brings inheritance to the civilization of human beings; therefore, the technology is also continuously advanced along with the development of human beings. However, nowadays people usually pay attention to the technical research and development in the aspects of high technology and the like, but neglect the further research and development of the pen; the existing pen adopts the technology of more than ten years ago, the technology of the pen core is still updated, and the use and even the operation mode of the pen shell are lagged behind.
Disclosure of Invention
The invention aims to solve the problems that the existing pen is not anti-falling, complex in operation and nonadjustable in use force, and provides an anti-falling pen with a fine-adjustable use force.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
an anti-falling pen with finely adjustable use force comprises an inner pen holder, an adjustable front shell, a rear pen holder, a pen core and a return spring; an outer ring bulge is arranged outside the inner penholder; the adjustable front shell comprises an inner resistance ring, one or more adjustable fixed rods and a fixed rod accommodating groove, the adjustable fixed rods are arranged in the fixed rod accommodating groove, and external threads are arranged on the adjustable front shell by the end, close to the adjustable fixed rods, of the adjustable front shell; the tail part of the rear pen container is provided with a pen core fixing seat, and the front part of the rear pen container is provided with an internal thread; the internal thread of the rear pen container and the external thread of the adjustable front container are in threaded fit with each other; the inner penholder is sleeved in the adjustable front shell in a sliding manner; the inner side of the adjustable fixing rod is provided with a fixed inner convex point, and the fixed inner convex point and the outer annular convex point are mutually clamped; an inclined slope with a certain gradient is arranged outside the adjustable fixed rod;
the inclined slope is matched with the matching degree of the internal thread of the rear pen container and the external thread of the adjustable front shell, so that the matching position of the inclined slope and the adjustable front shell is changed, the inclined slope can force the adjustable fixing rod to carry out internal pressure, the fixed internal convex point can be indirectly caused to generate displacement change, and the clamping force of the fixed internal convex point and the external ring convex point in clamping is influenced.
Preferably, the method comprises the following steps: the inner diameter of the internal resistance ring is smaller than that of the outer ring protrusion; the outer annular protrusion is smaller than the inner diameter of the adjustable front housing.
Preferably, the method comprises the following steps: the inclination angle of the inclined slope is 1-6 degrees, and the larger the inclination angle is, the stronger the adjusting fastening effect is when the matching degree of the internal thread of the same rear pen container and the external thread of the adjustable front shell is.
Preferably, the method comprises the following steps: the front end of the inner penholder is also provided with a force application ring; the force exerting ring is sleeved with the front end of the inner penholder and is installed in a matched mode through threads or buckles.
As further preferred in the present invention: the surface of the adjustable front shell is provided with a soft rubber ring cutter; a soft rubber groove is formed between the soft rubber ring cutter and the rear pen container; and a soft rubber ring is sleeved in the soft rubber groove.
As further preferred in the present invention: the soft rubber ring has certain elasticity and deformation force; therefore, when the distance between the rear pen container and the adjustable front shell changes in a floating mode, the rear pen container and the adjustable front shell can be covered through the soft rubber ring.
As further preferred in the present invention: the distance between the outer exposed adjustable front shell of the inner penholder is not more than 36mm at most.
Compared with the prior art, the pressure barrel for the water purification system, which adopts the technical scheme, has the following beneficial effects:
one, compare current gel ink pen shell, it has increased the effect of preventing falling, because the structural design of this pen shell, leads to, as long as the external force that receives and reset spring's elasticity sum is greater than the block power between the protruding and fixed interior bump of outer loop, then the refill just can receive reset spring's elasticity and make it withdraw in the pen shell to possess and prevent falling, the technological effect of protection refill.
The using method is optimized, the refill can be retracted and exposed by a single hand, the using state and the non-using state can be switched when the normal pen holding posture is kept, the writing holding posture is not required to be changed, and the refill is switched back to the writing holding posture after being exposed by other gesture deformation operation; the efficiency and the speed of the use are increased, and the operation flow for switching the use state and the non-use state of the pen tool is simplified.
Correcting writing postures, which can prevent fingers from excessively approaching a pen point so as to shield sight and be not beneficial to writing, and holding the writing postures excessively approaching the pen point generally can cause humpback, single shoulder height and/or myopia; moreover, the person can unconsciously lean forward, and the eyes are excessively close to the writing part, so that the diseases such as myopia, single shoulder height and/or humpback are caused; under normal conditions, people do not know the correct distance between the correct holding posture and the pen point, and even if the people know the correct distance between the correct holding posture and the pen point, the unconscious writing holding posture is excessively close to the pen point due to excessive fidelity of writing, so that the problems are caused; and people who are used to the bad holding posture are more likely to have the situation; the structural design provided by the invention can avoid the poor holding posture, and once the force application point touches the designed warning line, the pen core can be automatically retracted! The designed guard line depends on the distance of the inner penholder exposed out of the front penholder.
When the adjustable pen container is used, the required matching force is adjustable, namely the clamping force between the outer ring protrusion and the fixed inner salient point can be adjusted through adjusting the matching degree of the internal thread of the rear pen container and the external thread of the adjustable front shell; through the matching degree of the internal thread of the rear pen container and the external thread of the adjustable front shell body, the matching position of the inclined slope and the adjustable front shell body changes, the inclined slope can force the adjustable fixing rod to carry out internal pressure, and the fixed internal convex point can be indirectly caused to generate displacement change, so that the clamping force of the fixed internal convex point and the external ring convex mutual clamping is influenced.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a front view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of an embodiment of the present invention.
Fig. 4 is a perspective cross-sectional view of an embodiment of the present invention.
FIG. 5 is an enlarged view of a portion of FIG. 4 according to the present invention.
Fig. 6 is a perspective view of the adjustable front housing of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example (b):
the anti-falling pen with the finely adjustable use force comprises an inner pen holder 1, an adjustable front case 2, a rear pen holder 3, a pen core 5 and a return spring 6, and is shown in figures 1 to 6. The outer ring protrusion 11 is arranged outside the inner penholder 1. The adjustable front shell 2 is composed of an inner resistance ring 21, one or more adjustable fixing rods 23 and a fixing rod accommodating groove 24, the adjustable fixing rods 23 are arranged in the fixing rod accommodating groove 24, and an external thread is arranged at the end, close to the adjustable fixing rods 23, of the adjustable front shell 2. The tail part of the rear pen container 3 is provided with a pen core fixing seat, and the front part of the rear pen container is provided with an internal thread. The internal thread of the rear pen container 3 is in threaded fit with the external thread of the adjustable front shell body 2. The inner penholder 1 is sleeved in the adjustable front shell 2 in a sliding manner. The inner side of the adjustable fixing rod 23 is provided with a fixed inner salient point 232, and the fixed inner salient point 232 is clamped with the outer annular salient 11. The adjustable fixing rod 23 is provided with an inclined slope 231 at an outer portion thereof.
The inclined slope 231 changes the matching position of the inclined slope 231 and the adjustable front shell 2 along with the matching degree of the internal thread of the rear pen container 3 and the external thread of the adjustable front shell 2, and the inclined slope 231 forces the adjustable fixing rod 23 to perform internal pressure, so that the fixed inner salient point 232 is indirectly caused to be displaced and changed, and the clamping force of the fixed inner salient point 232 and the outer annular salient 11 is influenced.
In order to prevent the inner resistance ring 21 from being separated from the front casing without affecting the sliding operation of the inner barrel 1 after the inner barrel is installed in the front casing, the inner diameter of the inner resistance ring is smaller than that of the outer ring protrusion 11. The outer annular projection 11 is smaller than the inner diameter of the adjustable front housing 2.
In order to make, people can be more accurate the regulation use dynamics, so, inclination can not too big, if too big then only rotate quarter round, probably just make can cooperate dynamics reach the biggest, then dynamics is adjusted and is only adjusted the dynamics through the scope of quarter round to can't accurately adjust required dynamics. And also can not the undersize, because the refill exposes only 4~5 mm's distance, this kind of dynamics is adjusted, and the nib that can directly lead to the refill exposes the distance of interior pen-holder also and then changes, if the inclination undersize, rotatory required number of turns is too much, then has some adjustable range, can lead to the unable exposed condition of refill, then the minimum or the maximum value of block dynamics is unable the realization. The minimum value or the maximum value is determined according to the inner length of the inner penholder, the adjustable front shell 2 and the rear pen container 3 after combination, so that the inclination angle of the inclined slope 231 is 1-6 degrees, and the larger the inclination angle is, the stronger the adjusting fastening effect is when the matching degree of the internal thread of the rear pen container 3 and the external thread of the adjustable front shell 2 is equal. If the inclination angle is less than 1 degree, the minimum value or the maximum value of the engaging force may not be achieved.
In order to facilitate the operation with stress, save labor and facilitate the operation, the front end of the inner penholder 1 is also provided with a force applying ring 7. The force application ring 7 is sleeved with the front end of the inner penholder 1 and is installed in a matching mode through threads or buckles.
In order to shield the force for adjustment, the size of the exposed part of the adjustable front shell 2 is changed due to the change of the generated distance, and the surface of the adjustable front shell 2 is provided with a soft rubber ring cutter 22. A soft rubber groove is formed between the soft rubber circular cut 22 and the rear pen container 3. The soft rubber groove is further internally sleeved with a soft rubber ring 4, and the soft rubber ring can effectively shield exposed threads of the adjustable front shell 2 and change the size. .
In order to ensure the shielding effect, the soft rubber ring 4 has certain elasticity and deformation force. Therefore, when the distance between the rear pen container 3 and the adjustable front shell 2 changes in a floating manner, the rear pen container and the adjustable front shell can be covered by the soft rubber ring 4.
In order to ensure the use stability and reduce the clamping force required during assembly, the force bearing point is not positioned on the inner penholder during use, and meanwhile, the writing posture correction and the anti-falling function can be realized; the distance of the outer exposed adjustable front case 2 of the inner penholder 1 is not more than 36mm at most.
Installation description: firstly, the inner penholder is placed into the adjustable front shell, the inner penholder is sleeved in the adjustable front shell in a sliding mode, then the reset spring and the refill are sequentially placed into the inner penholder, and then the adjustable front shell is in threaded fit with the rear pen container. And finally, the force application ring is sleeved and combined with the inner penholder.
Description of the regulation: after the installation is finished, the adjustable front shell and the rear pen container are rotated, so that the matching position of the inclined slope and the adjustable front shell is changed, the inclined slope can force the adjustable fixing rod to press the inner pressure, and the fixed inner convex point can be indirectly displaced, so that the clamping force of the mutual clamping of the fixed inner convex point and the outer ring convex point is influenced.
Instructions for use:
when the pen is used, the tiger mouth clamps the rear pen container, and then the forefinger and the middle finger press the inner pen container or the force application ring to enable the inner pen container or the force application ring to shrink backwards, so that the outer convex ring of the inner pen container is clamped with the fixing inner convex point. Therefore, the pen point of the pen core overcomes the elastic force of the return spring and is exposed.
When the pen is not used, the tiger mouth clamps the rear pen container, then the forefinger and the middle finger press the inner pen holder or the forced ring to stretch the inner pen holder towards the inner pen holder, so that the clamping of the inner convex ring and the fixed inner convex point is separated, and the pen core is subjected to the elastic force of the reset spring, thereby leading the pen point of the pen core to be retracted into the inner pen holder.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention, and these should be considered as the scope of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a use what dynamics can finely tune prevents falling pen which characterized in that: comprises an inner penholder (1), an adjustable front shell (2), a rear penholder (3), a refill (5) and a return spring (6); an outer ring bulge (11) is arranged outside the inner penholder (1); the adjustable front shell (2) consists of an internal resistance ring (21), one or more adjustable fixing rods (23) and a fixing rod accommodating groove (24), the adjustable fixing rods (23) are arranged in the fixing rod accommodating groove (24), and external threads are arranged at the end, close to the adjustable fixing rods (23), of the adjustable front shell (2); the tail part of the rear pen container (3) is provided with a pen core fixing seat, and the front part of the rear pen container is provided with an internal thread; the internal thread of the rear pen container (3) is in threaded fit with the external thread of the adjustable front container (2); the inner penholder (1) is sleeved in the adjustable front shell (2) in a sliding manner; a fixed inner salient point (232) is arranged on the inner side of the adjustable fixing rod (23), and the fixed inner salient point (232) is clamped with the outer annular salient point (11); the outer part of the adjustable fixed rod (23) is provided with an inclined slope (231) with a certain gradient;
the inclined slope (231) changes the matching position of the inclined slope (231) and the adjustable front shell (2) along with the matching degree of the internal thread of the rear pen container (3) and the external thread of the adjustable front shell (2), the inclined slope (231) can force the adjustable fixing rod (23) to carry out internal pressure, and the fixed inner salient point (232) can be indirectly caused to generate displacement change, so that the clamping force of the fixed inner salient point (232) and the outer annular salient point (11) in mutual clamping is influenced; the inner diameter of the inner resistance ring (21) is smaller than that of the outer ring protrusion (11); the outer ring bulge (11) is smaller than the inner diameter of the adjustable front shell (2); the inclination angle of the inclined slope (231) is 1-6 degrees, and the larger the inclination angle is, the stronger the adjusting fastening effect is when the matching degree of the internal thread of the same rear pen container (3) and the external thread of the adjustable front shell (2) is.
2. The drop-resistant pen with the finely-adjustable force level of use of claim 1, wherein: the front end of the inner penholder (1) is also provided with an acting ring (7); the force application ring (7) is sleeved with the front end of the inner penholder (1) and is installed in a matched mode through threads or buckles.
3. The drop-resistant pen with the finely-adjustable force level of use of claim 2, wherein: the surface of the adjustable front shell (2) is provided with a soft rubber circular cut (22); a soft glue groove is formed between the soft glue circular cutter (22) and the rear pen container (3); and a soft rubber ring (4) is sleeved in the soft rubber groove.
4. The drop-resistant pen with the finely-adjustable force level of use of claim 3, wherein: the soft rubber ring (4) has certain elasticity and deformation force; therefore, when the distance between the rear pen container (3) and the adjustable front shell (2) changes in a floating mode, the rear pen container and the adjustable front shell can be covered by the soft rubber ring (4).
5. The drop-resistant pen with the finely-adjustable use force according to any one of claims 1 to 4, is characterized in that: the maximum distance of the outer exposed adjustable front shell (2) of the inner penholder (1) is not more than 36 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151237.1A CN112208243B (en) | 2019-06-21 | 2019-06-21 | Anti-falling pen with finely adjustable use force |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910545212.0A CN110239258B (en) | 2019-06-21 | 2019-06-21 | Anti-falling pen with finely adjustable use force |
| CN202011151237.1A CN112208243B (en) | 2019-06-21 | 2019-06-21 | Anti-falling pen with finely adjustable use force |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910545212.0A Division CN110239258B (en) | 2019-06-21 | 2019-06-21 | Anti-falling pen with finely adjustable use force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112208243A true CN112208243A (en) | 2021-01-12 |
| CN112208243B CN112208243B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910545212.0A Active CN110239258B (en) | 2019-06-21 | 2019-06-21 | Anti-falling pen with finely adjustable use force |
| CN202011151237.1A Active CN112208243B (en) | 2019-06-21 | 2019-06-21 | Anti-falling pen with finely adjustable use force |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910545212.0A Active CN110239258B (en) | 2019-06-21 | 2019-06-21 | Anti-falling pen with finely adjustable use force |
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| Country | Link |
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| CN (2) | CN110239258B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239258B (en) * | 2019-06-21 | 2020-11-13 | 温州市简系文具有限公司 | Anti-falling pen with finely adjustable use force |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4211500A (en) * | 1977-12-27 | 1980-07-08 | Pentel Kabushiki Kaisha | Tip-pushed type mechanical pencil |
| CN201120795Y (en) * | 2007-10-25 | 2008-09-24 | 刘绍佃 | Neutral pen and ink bottle for neutral pen |
| CN204687610U (en) * | 2015-06-16 | 2015-10-07 | 安徽机电职业技术学院 | A kind of Antibreaking pen |
| CN205736529U (en) * | 2016-01-26 | 2016-11-30 | 新乡学院 | A kind of fine arts paintbrush |
| CN107199801A (en) * | 2017-05-05 | 2017-09-26 | 安徽庆恒信息科技有限公司 | Simple Antibreaking pen |
| CN109605985A (en) * | 2018-12-26 | 2019-04-12 | 杭州简弈科技有限公司 | A kind of pen |
| CN110239258A (en) * | 2019-06-21 | 2019-09-17 | 文成县简创科技有限公司 | A kind of Antibreaking pen fine-tuning using dynamics |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB697084A (en) * | 1949-04-13 | 1953-09-16 | Compania Uruguaya De Fomento Industrial Sa | An improved pocket appliance incorporating a writing instrument or small tool |
| NL203174A (en) * | 1955-12-27 | |||
| CN201020973Y (en) * | 2007-03-14 | 2008-02-13 | 赖晨晨 | Extending type writing-core neutral pen cap |
| CN202573396U (en) * | 2012-05-17 | 2012-12-05 | 昆明理工大学 | Anti-fall pen |
| CN202593037U (en) * | 2012-06-01 | 2012-12-12 | 祁超 | Ballpoint pen with pen point capable of being prevented being broken |
| WO2019067612A1 (en) * | 2017-09-28 | 2019-04-04 | Sanford, L.P. | Retractable nosecone writing instrument |
| CN208664697U (en) * | 2018-08-20 | 2019-03-29 | 南京机电职业技术学院 | A kind of mechanical pencil |
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2019
- 2019-06-21 CN CN201910545212.0A patent/CN110239258B/en active Active
- 2019-06-21 CN CN202011151237.1A patent/CN112208243B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4211500A (en) * | 1977-12-27 | 1980-07-08 | Pentel Kabushiki Kaisha | Tip-pushed type mechanical pencil |
| CN201120795Y (en) * | 2007-10-25 | 2008-09-24 | 刘绍佃 | Neutral pen and ink bottle for neutral pen |
| CN204687610U (en) * | 2015-06-16 | 2015-10-07 | 安徽机电职业技术学院 | A kind of Antibreaking pen |
| CN205736529U (en) * | 2016-01-26 | 2016-11-30 | 新乡学院 | A kind of fine arts paintbrush |
| CN107199801A (en) * | 2017-05-05 | 2017-09-26 | 安徽庆恒信息科技有限公司 | Simple Antibreaking pen |
| CN109605985A (en) * | 2018-12-26 | 2019-04-12 | 杭州简弈科技有限公司 | A kind of pen |
| CN110239258A (en) * | 2019-06-21 | 2019-09-17 | 文成县简创科技有限公司 | A kind of Antibreaking pen fine-tuning using dynamics |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110239258B (en) | 2020-11-13 |
| CN112208243B (en) | 2021-05-25 |
| CN110239258A (en) | 2019-09-17 |
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Effective date of registration: 20230116 Address after: 223000 industrial concentration zone, Chenshi Town, Lianshui County, Huai'an City, Jiangsu Province Patentee after: Huaian Doctor's Home Pen Industry Co.,Ltd. Address before: Room 1606-3, building 26, jinxiyuan, No.1, Qicai Road, Qidu street, Lucheng District, Wenzhou City, Zhejiang Province 325000 (for office use only) Patentee before: Wenzhou jiansi Stationery Co.,Ltd. |
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