CN108262255B - Rotary sand screening box - Google Patents
Rotary sand screening box Download PDFInfo
- Publication number
- CN108262255B CN108262255B CN201711251812.3A CN201711251812A CN108262255B CN 108262255 B CN108262255 B CN 108262255B CN 201711251812 A CN201711251812 A CN 201711251812A CN 108262255 B CN108262255 B CN 108262255B
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- Prior art keywords
- box body
- fixedly connected
- sand
- plate
- material shaking
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/0018—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) using a rotor accelerating the materials centrifugally against a circumferential breaking surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
Abstract
The invention discloses a rotary type sand screening box, which comprises a box body; a feed hopper is communicated above the box body, and a throwing roller is arranged below the feed hopper in the box body; a bevel gear plate is arranged on the right side of the scattering roller in the box body; a material shaking plate is arranged below the throwing roller in the box body; a conical screen cylinder is arranged below the material shaking plate. According to the sand crusher, the throwing roller and the bevel gear plate are arranged, so that hardened sand blocks are impacted and crushed, the subsequent screening is facilitated, and the trouble of manual crushing is avoided; the vibrating screen is provided with the material shaking plate which vibrates up and down, and the crushed screen is slowly fed in a vibrating manner, so that the blanking speed is reduced, and the screening effect is ensured; the invention is provided with the conical screen cylinder and the annular screen, accelerates the separation of stones and fine sand through the centrifugal force, and improves the screening efficiency and the screening effect.
Description
Technical Field
The invention relates to the field of construction machinery, in particular to a rotary type sand screening box.
Background
In the field of construction, after sand is transported to a construction site, sand screening is needed before the sand is used, and the traditional sand screening mode is that a shovel and other tools are manually used for throwing the sand to a screen to perform manual screening, so that a large amount of physical power is consumed, and the screening efficiency is very low; along with the progress of the technology, various sand screening machines appear in the market, the sand screening speed is greatly improved, the sand screening machines generally adopt a vibrating screen plate and a rotating roller to screen sand, hardened sand blocks cannot be well screened, the hardened sand blocks need to be manually crushed and then screened, the sand screening efficiency is reduced, and in addition, the traditional sand screening machines have low separation efficiency on stones, so that the overall screening efficiency is low.
Disclosure of Invention
The invention aims to provide a rotary type sand screening box to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a rotary type sand screening box comprises a box body; a feed hopper is communicated above the box body, and a throwing roller is arranged below the feed hopper in the box body; the spreading roller comprises symmetrical circular side plates and vertical plates vertically connected with the circular side plates, the adjacent vertical plates form a hopper, and the outer sides of the circular side plates are fixedly connected with rotating shafts; the rotating shaft extends to the outer side of the box body and is connected with a first driving motor through a transmission belt; a bevel gear plate is arranged on the right side of the scattering roller in the box body, and the surface of the bevel gear plate is uniformly distributed with bevel gears; a material shaking plate is arranged below the throwing roller in the box body; the two sides of the material shaking plate are fixedly connected with sliding blocks which are embedded in the inner wall of the box body, vertically arranged sliding grooves are arranged in the inner walls of the box body, which are positioned at the two sides of the material shaking plate, and the sliding blocks are in sliding connection with the sliding grooves; the lower surface of the material shaking plate is circumferentially distributed with upper lugs, and the upper lugs are of a hemispherical structure and are fixedly connected with the lower surface of the material shaking plate; a conical screen cylinder is arranged below the material shaking plate; two sides of the conical screen cylinder are fixedly connected with symmetrical vertical rods, and the tops of the vertical rods are fixedly connected with lower convex blocks; a plurality of groups of annular screens are fixedly connected to the outer wall of the conical screen cylinder, and each annular screen is an annular metal screen; the bottom of the conical screen cylinder is fixedly connected with symmetrical stone scraping plates which are horizontally arranged, and the left side of the box body, which is positioned at the outer side of the stone scraping plates, is provided with a stone outlet; the bottom of the conical screen cylinder is fixedly connected with a driving shaft, the driving shaft extends to the lower part of the box body and is connected with a second driving motor, the second driving motor is fixedly connected with a spring damping base through bolts, and the spring damping base is fixedly connected with the bottom of the box body; the driving shaft is fixedly connected with a sand scraping plate positioned above a bottom plate of the box body, and a sand outlet is formed in the right side wall of the box body, which is positioned on the right side of the sand scraping plate.
As a further scheme of the invention: the rotating shaft is rotatably connected with the front wall and the rear wall of the box body through bearing sleeves.
As a further scheme of the invention: the first driving motor is fixedly connected with the outer wall of the box body through a bolt.
As a further scheme of the invention: the material shaking plate is of an inverted cone structure with an opening at the upper end and an opening at the lower end.
As a further scheme of the invention: the conical screen drum is of a conical metal net structure.
As a further scheme of the invention: the lower bump is of a hemispherical structure.
As a further scheme of the invention: the cross section of the sand scraping plate is S-shaped.
Compared with the prior art, the invention has the beneficial effects that: according to the sand crusher, the throwing roller and the bevel gear plate are arranged, so that hardened sand blocks are impacted and crushed, the subsequent screening is facilitated, and the trouble of manual crushing is avoided; the vibrating screen is provided with the material shaking plate which vibrates up and down, and the crushed screen is slowly fed in a vibrating manner, so that the blanking speed is reduced, and the screening effect is ensured; the invention is provided with the conical screen cylinder and the annular screen, accelerates the separation of stones and fine sand through the centrifugal force, and improves the screening efficiency and the screening effect.
Drawings
FIG. 1 is a cross-sectional view of a rotary sand screen;
FIG. 2 is a schematic view of a throwing roller in a rotary sand screen;
FIG. 3 is a perspective view of a shaker plate in a rotary sand screen box;
fig. 4 is a schematic structural diagram of a sand scraping plate in a rotary sand screening box.
In the figure: 1-a box body; 2-a feed hopper; 3-a throwing roller; 4-circular side plate; 5-a vertical plate; 6-a rotating shaft; 7-a drive belt; 8-a first drive motor; 9-bevel gear plate; 10-material shaking plate; 11-a slide block; 12-a chute; 13-upper bump; 14-a conical screen cylinder; 15-vertical rod; 16-lower bump; 17-an annular screen; 18-scrape slate; 19-a stone outlet; 20-a drive shaft; 21-a second drive motor; 22-spring shock mount base; 23-a sand scraper; 24-sand outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a rotary sand sieving box includes a box body 1; a feed hopper 2 is communicated above the box body 1, a throwing roller 3 is arranged below the feed hopper 2 in the box body 1, and sand is thrown by the throwing roller 3; the spreading roller 3 comprises symmetrical circular side plates 4 and vertical plates 5 vertically connected with the circular side plates 4, the adjacent vertical plates 5 form a hopper, the outer sides of the circular side plates 4 are fixedly connected with rotating shafts 6, and the rotating shafts 6 are rotatably connected with the front wall and the rear wall of the box body 1 through bearing sleeves; the rotating shaft 6 extends to the outer side of the box body 1 and is connected with a first driving motor 8 through a transmission belt 7, the first driving motor 8 is fixedly connected with the outer wall of the box body 1 through a bolt, and the first driving motor 8 is electrically connected with an external power supply; a bevel gear plate 9 is arranged on the right side of the scattering roller 3 in the box body 1, conical teeth are uniformly distributed on the surface of the bevel gear plate 9, and sand blocks impact the conical teeth on the bevel gear plate 9 to be crushed; a material shaking plate 10 is arranged below the scattering roller 3 in the box body 1, and the material shaking plate 10 is of an inverted cone structure with an opening at the upper end and an opening at the lower end; the two sides of the material shaking plate 10 are fixedly connected with sliding blocks 11, the sliding blocks 11 are embedded in the inner wall of the box body 1, vertically arranged sliding grooves 12 are formed in the inner wall of the box body 1, which is positioned at the two sides of the material shaking plate 10, and the sliding blocks 11 are in sliding connection with the sliding grooves 12; the lower surface of the material shaking plate 10 is circumferentially distributed with upper lugs 13, and the upper lugs 13 are of a hemispherical structure and are fixedly connected with the lower surface of the material shaking plate 10; a conical screen cylinder 14 is arranged below the material shaking plate 10, and the conical screen cylinder 14 is of a conical metal net structure; two sides of the conical screen cylinder 14 are fixedly connected with symmetrical vertical rods 15, the top of each vertical rod 15 is fixedly connected with a lower bump 16, each lower bump 16 is of a hemispherical structure, each lower bump 16 is located on the circumference where the adjacent upper bump 13 is located, and the upper bumps 13 are extruded by the lower bumps 16, so that the material shaking plate 10 vibrates up and down; a plurality of groups of annular screens 17 are fixedly connected to the outer wall of the conical screen cylinder 14, the annular screens 17 are annular metal screens, and the annular screens are used for intercepting stones and accelerating the separation speed of the stones and sand; the bottom of the conical screen cylinder 14 is fixedly connected with symmetrical scraper plates 18, the scraper plates 18 are horizontally arranged, and a stone outlet 19 is formed in the left side of the box body 1, which is positioned on the outer side of the scraper plates 18, so that stones are discharged; the bottom of the conical screen cylinder 14 is fixedly connected with a driving shaft 20, the driving shaft 20 extends to the lower part of the box body 1 and is connected with a second driving motor 21, the second driving motor 21 is fixedly connected with a spring damping base 22 through bolts, and the spring damping base 22 is fixedly connected with the bottom of the box body 1; the second driving motor 21 is electrically connected with an external power supply; the driving shaft 20 is fixedly connected with a sand scraping plate 23 positioned above the bottom plate of the box body 1, the sand scraping plate 23 is S-shaped, and a sand outlet 24 is arranged on the right side wall of the box body 1 and positioned on the right side of the sand scraping plate 23, so that sand is discharged.
The working principle of the invention is as follows: sand to be screened is put into the box body 1 from the feed hopper 2, the first driving motor 8 and the second driving motor 21 are started, the first driving motor 8 drives the throwing roller 3 to rotate through the transmission belt 7, the sand falls into the hopper formed by the vertical plate 5 on the throwing roller 3, fine sand and hardened stones are thrown to the bevel gear plate 9 on the right side under the action of centrifugal force, the hardened sand blocks and the bevel gears on the bevel gear plate 9 are collided and crushed, the screening efficiency is improved, and the problem that the hardened sand blocks are difficult to screen is solved; the crushed sieve falls on the material shaking plate 10, the second driving motor 21 drives the conical sieve cylinder 14 and the vertical rod 15 thereon to rotate through the driving shaft 20, and further the lower lug 16 intermittently extrudes the upper lug 13, so that the material shaking plate 10 continuously vibrates up and down to shake sand onto the conical sieve cylinder 14, the blanking speed is delayed, and the screening effect is ensured; when sand falls on the conical screen cylinder 14, the driving shaft 20 drives the conical screen cylinder 14 to rotate, under the action of centrifugal force, the centrifugal force applied to stones in the sand is greater than that applied to sand particles, the stones are quickly separated from the sand particles, the stones are thrown out of the outer edge of the conical screen cylinder 14, and the stone scraping plate 18 drives the stones to be discharged from the stone outlet 19 through the rotation of the conical screen cylinder 14; meanwhile, the annular screen 17 has a certain blocking effect on the fine sand, the possibility that the fine sand is thrown out is reduced, the screening efficiency is improved, the fine sand falls onto the bottom plate of the box body 1 through the screen holes in the conical screen cylinder 14, and the driving shaft 20 drives the sand scraping plate 23 to rotate, so that the screened fine sand is discharged from the sand outlet 24.
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 (7)
1. A rotary type sand screening box comprises a box body (1); the device is characterized in that a feed hopper (2) is communicated above the box body (1), and a throwing roller (3) is arranged below the feed hopper (2) in the box body (1); the spreading roller (3) comprises symmetrical circular side plates (4) and vertical plates (5) vertically connected with the circular side plates (4), the adjacent vertical plates (5) form a hopper, and the outer sides of the circular side plates (4) are fixedly connected with rotating shafts (6); the rotating shaft (6) extends to the outer side of the box body (1) and is connected with a first driving motor (8) through a transmission belt (7); a bevel gear plate (9) is arranged on the right side of the scattering roller (3) in the box body (1), and conical teeth are uniformly distributed on the surface of the bevel gear plate (9); a material shaking plate (10) is arranged below the throwing roller (3) in the box body (1); the two sides of the material shaking plate (10) are fixedly connected with sliding blocks (11), the sliding blocks (11) are embedded in the inner wall of the box body (1), sliding grooves (12) which are vertically arranged are formed in the inner walls of the box body (1) which are positioned on the two sides of the material shaking plate (10), and the sliding blocks (11) are connected with the sliding grooves (12) in a sliding mode; the lower surface of the material shaking plate (10) is circumferentially distributed with upper lugs (13), and the upper lugs (13) are of a hemispherical structure and are fixedly connected with the lower surface of the material shaking plate (10); a conical screen cylinder (14) is arranged below the material shaking plate (10); two sides of the conical screen cylinder (14) are fixedly connected with symmetrical vertical rods (15), and the tops of the vertical rods (15) are fixedly connected with lower convex blocks (16); the outer wall of the conical screen drum (14) is fixedly connected with a plurality of groups of annular screens (17), and the annular screens (17) are annular metal screens; the bottom of the conical screen cylinder (14) is fixedly connected with symmetrical stone scraping plates (18), the stone scraping plates (18) are horizontally arranged, and a stone outlet (19) is formed in the left side of the box body (1) and is positioned on the outer side of the stone scraping plates (18); the bottom of the conical screen drum (14) is fixedly connected with a driving shaft (20), the driving shaft (20) extends to the lower part of the box body (1) and is connected with a second driving motor (21), the second driving motor (21) is fixedly connected with a spring damping base (22) through bolts, and the spring damping base (22) is fixedly connected with the bottom of the box body (1); the driving shaft (20) is fixedly connected with a sand scraping plate (23) located above a bottom plate of the box body (1), and a sand outlet (24) is formed in the right side wall of the box body (1) located on the right side of the sand scraping plate (23).
2. A rotary type sand screen according to claim 1, wherein the shaft (6) is rotatably connected to the front and rear walls of the casing (1) by means of bearing sleeves.
3. A rotary type sand screen according to claim 1, wherein the first drive motor (8) is fixedly connected to the outer wall of the casing (1) by means of bolts.
4. A rotary type sand sieving box according to claim 1, characterized in that the material shaking plate (10) is an inverted cone structure with an open upper end and an open lower end.
5. A rotary sandscreen according to claim 1, wherein said conical screen cylinder (14) is a conical metal mesh structure.
6. A rotary sandscreen according to claim 1, wherein said underbump (16) is of hemispherical configuration.
7. A rotary sandscreen according to claim 1, wherein said scraper bar (23) is S-shaped in cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711251812.3A CN108262255B (en) | 2017-12-01 | 2017-12-01 | Rotary sand screening box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711251812.3A CN108262255B (en) | 2017-12-01 | 2017-12-01 | Rotary sand screening box |
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| Publication Number | Publication Date |
|---|---|
| CN108262255A CN108262255A (en) | 2018-07-10 |
| CN108262255B true CN108262255B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711251812.3A Active CN108262255B (en) | 2017-12-01 | 2017-12-01 | Rotary sand screening box |
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| CN110125154A (en) * | 2019-06-19 | 2019-08-16 | 王晶晶 | A kind of soil remediation mixing arrangement |
| CN112474248A (en) * | 2020-10-21 | 2021-03-12 | 刘燕 | Equipment suitable for soybean impurity separation |
| CN112657653B (en) * | 2021-01-15 | 2022-02-22 | 黑龙江外国语学院 | Rural area tourism refuse treatment reducing mechanism |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU874220A1 (en) * | 1979-11-06 | 1981-10-23 | Харьковский Институт Механизации И Электрификации Сельского Хозяйства | Centrifugal sorting table |
| DD202631A1 (en) * | 1981-07-16 | 1983-09-28 | Joachim Starke | POWERFUL BRECH ROLLER |
| JP2000254589A (en) * | 1999-03-10 | 2000-09-19 | Ricoh Co Ltd | Classifier and production of toner using it |
| CN203899896U (en) * | 2014-05-27 | 2014-10-29 | 山东天力节能环保工程有限公司 | Conical spiral screen cloth device |
| CN205413560U (en) * | 2015-12-17 | 2016-08-03 | 朱东梅 | Sand screening machine |
| RU2616045C1 (en) * | 2016-05-17 | 2017-04-12 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Красноярский государственный аграрный университет" | Centrifugal separator |
| CN206083068U (en) * | 2016-08-29 | 2017-04-12 | 昆明理工大学 | Automatic device that sieves of soil body that looses |
| CN206104306U (en) * | 2016-08-30 | 2017-04-19 | 宁夏康泓矿山机械设备有限公司 | Simple and easy screening plant |
| CN106889637A (en) * | 2015-12-18 | 2017-06-27 | 贵州味源食品发展有限公司 | A kind of good antiscale property type ginger trembles indigenous equipment |
| CN206357430U (en) * | 2017-01-10 | 2017-07-28 | 山东飞越钢结构工程有限公司 | A kind of build concrete mixing plant with sand screening function |
| CN206549730U (en) * | 2017-01-23 | 2017-10-13 | 林文喜 | A kind of crush maize system for agricultural machining |
-
2017
- 2017-12-01 CN CN201711251812.3A patent/CN108262255B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU874220A1 (en) * | 1979-11-06 | 1981-10-23 | Харьковский Институт Механизации И Электрификации Сельского Хозяйства | Centrifugal sorting table |
| DD202631A1 (en) * | 1981-07-16 | 1983-09-28 | Joachim Starke | POWERFUL BRECH ROLLER |
| JP2000254589A (en) * | 1999-03-10 | 2000-09-19 | Ricoh Co Ltd | Classifier and production of toner using it |
| CN203899896U (en) * | 2014-05-27 | 2014-10-29 | 山东天力节能环保工程有限公司 | Conical spiral screen cloth device |
| CN205413560U (en) * | 2015-12-17 | 2016-08-03 | 朱东梅 | Sand screening machine |
| CN106889637A (en) * | 2015-12-18 | 2017-06-27 | 贵州味源食品发展有限公司 | A kind of good antiscale property type ginger trembles indigenous equipment |
| RU2616045C1 (en) * | 2016-05-17 | 2017-04-12 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Красноярский государственный аграрный университет" | Centrifugal separator |
| CN206083068U (en) * | 2016-08-29 | 2017-04-12 | 昆明理工大学 | Automatic device that sieves of soil body that looses |
| CN206104306U (en) * | 2016-08-30 | 2017-04-19 | 宁夏康泓矿山机械设备有限公司 | Simple and easy screening plant |
| CN206357430U (en) * | 2017-01-10 | 2017-07-28 | 山东飞越钢结构工程有限公司 | A kind of build concrete mixing plant with sand screening function |
| CN206549730U (en) * | 2017-01-23 | 2017-10-13 | 林文喜 | A kind of crush maize system for agricultural machining |
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| CN108262255A (en) | 2018-07-10 |
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Effective date of registration: 20200910 Address after: No. 10 (No. 10-1), Wangchong New District, Mingguang City, Chuzhou City, Anhui Province Applicant after: Anhui Jiacheng Construction Engineering Co., Ltd Address before: 350000 Business Floor 31, No. 6 Banzhong Road, Xindian Town, Jin'an District, Fuzhou City, Fujian Province, Taihe City Square (Phase 3), 6 Floor 1 Applicant before: COMMON TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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