CN104649035A - High-frame hopper for bulk cargo loading and unloading - Google Patents
High-frame hopper for bulk cargo loading and unloading Download PDFInfo
- Publication number
- CN104649035A CN104649035A CN201510082086.1A CN201510082086A CN104649035A CN 104649035 A CN104649035 A CN 104649035A CN 201510082086 A CN201510082086 A CN 201510082086A CN 104649035 A CN104649035 A CN 104649035A
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- China
- Prior art keywords
- gears
- gear
- hopper
- bar
- sour jujube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 241001247821 Ziziphus Species 0.000 claims description 33
- 230000009977 dual effect Effects 0.000 claims description 6
- 210000004534 cecum Anatomy 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 6
- 230000001174 ascending effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/04—Loading land vehicles
- B65G67/06—Feeding articles or materials from bunkers or tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
Abstract
The invention discloses a high-frame hopper for bulk cargo loading and unloading, and belongs to the field of loading and unloading machinery. The high-frame hopper for bulk cargo loading and unloading comprises a hopper body and a support frame, and is characterized by also comprising a rubber skirt plate and an ascending and descending device, wherein the lower end of the hopper body is provided with a fixing skirt plate, the rubber skirt plate is nested in the fixing skirt plate, the ascending and descending device is fixedly connected with the hopper body and comprises a bar, a rack, an electric motor, a gear frame, a casing and a plurality of gears, the high-frame hopper also comprises a clamping device, and the clamping device comprises a bar, a clamp block, a pallet, a spring, an operation rod and a direction measuring block. Compared with the prior art, the high-frame hopper has the characteristics that the use is convenient, and no dust is generated.
Description
Technical field
The present invention relates to a kind of loading-unload machine, particularly a kind of overhead hopper being applicable to bulk handling.
Background technology
Bulk handling operation is one of the job in harbour or goods yard, in the circulation process of the bulk goods such as breeze or grain, in order to accelerate shipment speed, cost-saving, usually can adopt " four fall apart " technology, namely in bulk, load in bulk, loosely to unload, loose storage technology.So-called faling apart is unloaded, and namely being grabbed bucket by door machine captures bulk cargo from ship, and then poured in an overhead hopper by the bulk cargo of crawl, the bulk cargo poured in hopper can flow in the lorry below it automatically.Following defect is there is: 1. unloading in the process of the materials such as bulk cargo with overhead hopper in existing overhead hopper use procedure, a large amount of dust can be produced, thus to environment, whole loading and unloading area dust can be caused time serious to fill the air, affect safety and environmental protection; 2. in order to adapt to plurality of specifications lorry, overhead hopper often feed opening is higher, causes lorry and feed opening to have certain open distance, and bulk goods is easily unrestrained and cleaning is difficult, causes loss and waste, have impact on handling quality.
Summary of the invention
Technical assignment of the present invention is for above the deficiencies in the prior art, provides a kind of overhead hopper for bulk handling easy to use, non-dusting.
The technical scheme that the present invention solves its technical matters is: a kind of overhead hopper for bulk handling, comprises hopper, bracing frame, it is characterized in that: also comprise rubber skirtboard and jacking system; Described hopper lower end is provided with fixed skirt; Described rubber skirtboard is nested in fixed skirt; ; Described jacking system is fixedly connected with bucket body, comprises sour jujube bar, tooth bar, electrical motor, tooth rest, housing and multiple gear; Described tooth rest and gear are in housing; Described tooth bar is vertically placed, and is fixedly connected with described rubber skirtboard, and described tooth bar is meshed with a gear, and a gear and No. two gears form a dual gear jointly, and the axle of dual gear is arranged on described housing; Described motor output shaft connects No. three gears, and No. three gears are meshed with described No. two gears; The axle at described tooth rest and a gear, No. two gear places is hinged; Described electrical motor is fixedly connected with tooth rest; Because the axle of tooth rest around No. two gear places rotates, so in rotary course, No. three gears can be meshed with No. two gears all the time; The below of No. two gears is provided with No. four gears, and No. four gears are meshed with No. two gears, and No. four gears are fixedly connected with a coaxial star gear; The axle of No. four gears and a star gear is arranged on described housing; Described tooth rest is provided with intermeshing No. five gears and No. six gears, and No. five gears are fixedly connected with No. two coaxial star gears and No. three star gears respectively with No. six gears; Three described star gears are positioned on same perpendicular, and No. two star gears and No. three star gear maximum radius sums are less than No. five gears and No. six gear compound graduation radius of circle sums; A gear diameter is less than No. two gear diameters, and No. two gear diameters are greater than No. four gear diameters, and No. four gear diameters are less than the maximum gauge of a star gear; Described sour jujube bar is fixedly connected with described fixed skirt, and the flank of tooth of sour jujube bar is towards described tooth bar; Be provided with horizontal blind hole and vertical holes in described tooth bar, described horizontal blind hole opening part is positioned at tooth bar towards in the one side of sour jujube bar, and described vertical holes lower end is communicated with the middle part of horizontal blind hole; Be provided with fixture block in lateral aperture, fixture block is hinged near sour jujube bar end and ratchet; Spring is provided with between the cecum of fixture block and horizontal blind hole; Be provided with control lever in vertical holes, control lever lower end is provided with inclined-plane away from sour jujube bar side; The position that described fixture block upper side contacts with described control lever is provided with the triangular groove adapted with described control lever upper end; The upper end of vertical holes is provided with electromagnet, and control lever upper end is provided with magnet, and the polarity of described magnet upper end is identical with the polarity of described electromagnet lower end; Be provided with the first projection towards the side of sour jujube bar in the middle of control lever, on tooth bar on the position of the first projection hinged direction finding block, direction finding block has wedge angle towards sour jujube bar side, and direction finding block is provided with the second projection away from sour jujube bar side; Second projection is positioned at the below of the first projection.
Above-mentioned hopper upper end is circular open, and lower end is rectangle feed opening.
Above-mentioned hopper feed opening place is provided with the shaft-like energy disperser of horizontal positioned.
Compared with prior art, the present invention has following outstanding beneficial effect:
1, declined by self gravitation, save electric energy;
2, slow reduction of speed degree can not change because of parts depreciation;
3, the generation of dust is decreased by rubber skirtboard;
4, the impact of goods to compartment is reduced by energy disperser.
Accompanying drawing explanation
Fig. 1 of the present inventionly faces structural representation.
Fig. 2 is the plan structure schematic diagram of hopper in the present invention.
Fig. 3 is lifting device structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with specification drawings and specific embodiments, the present invention is further described.
As shown in Figure 1, 2, the present invention includes hopper 24, bracing frame 25, rubber skirtboard 27 and jacking system 28.
Described hopper 24 adopts hemispherical dome structure design, and namely hopper 24 upper end is circular open, and lower end is rectangle feed opening, and hopper 24 inside seamlessly transits.By bracing frame 25, hopper 24 is propped up.Upper end circular open, the design that inside seamlessly transits can increase the capacity of hopper 24, and solve the inner buildup problem of hopper 24, rectangle feed opening and car body shape adapt, better meet the requirement that goods piles up angle, realize handling " standard vehicle ", meet the entrucking demand of having bad luck vehicle.
Described hopper 24 feed opening place is provided with the shaft-like energy disperser 29 of horizontal positioned, effectively controlling goods and spills speed and flow, alleviating the impact to having bad luck vehicle tank.Lower end is provided with fixed skirt 26.Described rubber skirtboard 27 is nested in fixed skirt 26.Described rubber skirtboard 27 moves up and down by jacking system 28, thus can adapt to the automobile of various differing heights, by the combined action of fixed skirt 26 and rubber skirtboard 27, make not overflow during Container Loading, dust can be blocked simultaneously, decrease airborne dust, reduce aerial contamination.
As shown in Figure 3, described jacking system 28 is fixedly connected with hopper 24, comprises sour jujube bar 15, tooth bar 7, electrical motor 9, tooth rest 10, housing 8 and multiple gear.Described tooth rest 10 and gear are in housing 8.
Described tooth bar 7 is vertically placed, and is fixedly connected with described rubber skirtboard 27, and described tooth bar 7 is meshed with a gear 1, and a gear 1 and No. two gears 2 form a dual gear jointly, and the axle of dual gear is arranged on described housing 8.Described electrical motor 9 output shaft connects No. three gears 3, No. three gears 3 and is meshed with described No. two gears 2.
The axle at described tooth rest 10 and a gear 1, No. two gear 2 places is hinged, and carry out by housing 8 angle that limiting gear frame 10 rotates, the position limiting structure of described restriction can be the external shape of housing 8, or outstanding in housing 8.Described electrical motor 9 is fixedly connected with tooth rest 10.Because the axle of tooth rest 10 around No. two gear 2 places rotates, so in rotary course, No. three gears 3 can be meshed with No. two gears 2 all the time.
The below of No. two gears 2 is provided with No. four gears 4, No. four gears 4 and is meshed with No. two gears 2, and No. four gears 4 are fixedly connected with a coaxial star gear 11.The axle of No. four gears 4 and a star gear 11 is arranged on described housing 8.Described tooth rest 10 is provided with intermeshing No. five gears 5 and No. six gears 6, No. five gears 5 are fixedly connected with coaxial No. two star gears 12 and No. three star gears 13 respectively with No. six gears 6.Three described star gears are positioned on same perpendicular, and meet: 1. No. two star gears 12 and No. three star gear 13 maximum radius (i.e. the spacing in sharp corner and the center of circle) sums are less than No. five gears 5 and No. six gear 6 reference radius sums, to ensure that No. two star gears 12 and No. three star gears 13 can not collide; 2., when tooth rest 10 rotates to lowest part, the wedge angle of the wedge angle of No. two star gears 12 and No. three star gears 13 can both collide with the wedge angle of a star gear 11; 3., when tooth rest 10 rotates to highest point, the wedge angle of the wedge angle of No. two star gears 12 and No. three star gears 13 all can not collide with the wedge angle of a star gear 11.Under gravity, during state of nature, tooth rest 10 is positioned at the lowest part of its stroke.
Jacking system 28 principle of work: when rubber skirtboard 27 is with carry-over bar 7 to decline, gear 1 clickwise, No. two gear 2 clickwises simultaneously, No. two gears 2 drive No. four gear 4 left-hand revolutions, star gear 11 left-hand revolution simultaneously, first star gear 11 wedge angle collides with No. two star gear 12 wedge angles, No. two star gear 12 clickwises, No. five gear 5 clickwises simultaneously, drive No. six gear 6 left-hand revolutions, No. three star gear 13 left-hand revolutions simultaneously, immediately star gear 11 wedge angle with just collide at No. three star gears 13 of left-hand revolution, No. three gears 3 are reversed, i.e. clickwise, No. six gear 6 clickwises simultaneously, drive No. five gear 5 left-hand revolutions, No. two star gear 12 left-hand revolutions simultaneously, immediately a star gear 11 next wedge angle with just collide at No. two star gears 12 of left-hand revolution ... through the collision gone round and begun again, the rotating speed of a star gear 11 is controlled in a lower speed all the time, namely the process that tooth bar 7 slowly declines is achieved.
The slow process of falling realizes mechanically, without the need to starting electrical motor 9, thus reduces waste of power; Slow fall process by collision but not friction mode realize, therefore can not cause friction coefficient to change and then slow reduction of speed degree is changed because of the wearing and tearing of part.
When rising rubber skirtboard 27, actuating motor 9, electrical motor 9 drives No. three gear 3 clickwises, and No. three gears 3 drive No. two gear 2 left-hand revolutions, simultaneously gear 1 left-hand revolution, and a gear 1 is with carry-over bar 7 slowly to rise; Simultaneously No. three gears 3 are subject to the moment of the conter clockwise that No. two gears 2 act on, tooth rest 10 is subject to the clws moment that No. three gears 3 act on, this moment driven gear frame 10 rotates clockwise long and two-short dash line position in figure, now No. two star gears 12 and No. three star gears 13 no longer collide with a star gear 11, avoid waste of power.
Described sour jujube bar 15 is fixedly connected with described fixed skirt 26, and the flank of tooth of sour jujube bar 15 is towards described tooth bar 7.Be provided with horizontal blind hole and vertical holes in described tooth bar 7, described horizontal blind hole opening part is positioned at tooth bar 7 towards in the one side of sour jujube bar 15, and described vertical holes lower end is communicated with the middle part of horizontal blind hole.Be provided with fixture block 16 in lateral aperture, fixture block 16 is hinged near sour jujube bar 15 end and ratchet 23.Spring 17 is provided with between the cecum of fixture block 16 and horizontal blind hole.Be provided with control lever 18 in vertical holes, control lever 18 lower end is provided with inclined-plane away from sour jujube bar 15 side.The position that described fixture block 16 upper side contacts with described control lever 18 is provided with the triangular groove adapted with described control lever 18 upper end, and described adapting refers to that triangular groove just can hold the lower end of control lever 18.The upper end of vertical holes is provided with electromagnet 14, and control lever 18 upper end is provided with magnet 19, and the polarity of described magnet 19 upper end is identical with the polarity of described electromagnet 14 lower end.The first projection 21 is provided with towards the side of sour jujube bar 15 in the middle of control lever 18, on tooth bar 7 near the first projection 21 position on hinged direction finding block 20, in order to detect tooth bar 7 sense of motion, direction finding block 20 has wedge angle towards sour jujube bar 15 side, direction finding block 20 is provided with away from sour jujube bar 15 side the below that the second projection 22, second projection 22 is positioned at the first projection 21.
Rubber skirtboard 27 can be blocked by ratchet 23, sour jujube bar 15 structure, prevent it from arbitrarily falling.After electromagnet 14 is energized, due to homopolar-repulsion, magnet 19 and control lever 18 move down, after power-off, because magnet 19 can be adsorbed on the sidewall in its hole, place, so can not move up voluntarily.When control lever 18 moves down, push to away from sour jujube bar 15 end by the combined action of inclined-plane, control lever 18 lower end and groove by fixture block 16, ratchet 23 will no longer block sour jujube bar 15, thus tooth bar 7 can fall; When tooth bar 7 moves down, the wedge angle of direction finding block 20 can be made upwards to rotate by the effect of sour jujube bar 15, when tooth bar 7 rises under the drive of electrical motor 9, by the effect of sour jujube bar 15, direction finding block 20 wedge angle is rotated, second projection 22 is upwards rotated simultaneously, second projection 22 drives control lever 18 to move up by the first projection 21, and fixture block 16 discharges, and ratchet 23 can encounter sour jujube bar 15, thus tooth bar 7 can block after stopping by electrical motor 9 at any time, prevents rubber skirtboard 27 from falling voluntarily.
In prioritization scheme, for obtaining slowing effect better, gear 1 diameter is less than No. two gear 2 diameters, and No. two gear 2 diameters are greater than No. four gear 4 diameters, and No. four gear 4 diameters are less than the maximum gauge (i.e. the twice of the spacing in sharp corner and the center of circle) of a star gear 11.
Operating process is as follows: during use, and first by below running car to feed opening, according to the height of automobile, decline rubber skirtboard 27, along with goods in compartment is piled up, the height of Raised rubber skirtboard 27 gradually, until loaded.
It should be noted that; particular of the present invention is to invention has been detailed description; for a person skilled in the art, the various apparent change carried out it when not deviating from the spirit and scope of the present invention is all within protection scope of the present invention.
Claims (3)
1. for an overhead hopper for bulk handling, comprise hopper, bracing frame, it is characterized in that: also comprise rubber skirtboard and jacking system; Described hopper lower end is provided with fixed skirt; Described rubber skirtboard is nested in fixed skirt; ; Described jacking system is fixedly connected with bucket body, comprises sour jujube bar, tooth bar, electrical motor, tooth rest, housing and multiple gear; Described tooth rest and gear are in housing; Described tooth bar is vertically placed, and is fixedly connected with described rubber skirtboard, and described tooth bar is meshed with a gear, and a gear and No. two gears form a dual gear jointly, and the axle of dual gear is arranged on described housing; Described motor output shaft connects No. three gears, and No. three gears are meshed with described No. two gears; The axle at described tooth rest and a gear, No. two gear places is hinged; Described electrical motor is fixedly connected with tooth rest; The below of No. two gears is provided with No. four gears, and No. four gears are meshed with No. two gears, and No. four gears are fixedly connected with a coaxial star gear; The axle of No. four gears and a star gear is arranged on described housing; Described tooth rest is provided with intermeshing No. five gears and No. six gears, and No. five gears are fixedly connected with No. two coaxial star gears and No. three star gears respectively with No. six gears; Three described star gears are positioned on same perpendicular, and No. two star gears and No. three star gear maximum radius sums are less than No. five gears and No. six gear compound graduation radius of circle sums; Described sour jujube bar is fixedly connected with described fixed skirt, and the flank of tooth of sour jujube bar is towards described tooth bar; Be provided with horizontal blind hole and vertical holes in described tooth bar, described horizontal blind hole opening part is positioned at tooth bar towards in the one side of sour jujube bar, and described vertical holes lower end is communicated with the middle part of horizontal blind hole; Be provided with fixture block in lateral aperture, fixture block is hinged near sour jujube bar end and ratchet; Spring is provided with between the cecum of fixture block and horizontal blind hole; Be provided with control lever in vertical holes, control lever lower end is provided with inclined-plane away from sour jujube bar side; The position that described fixture block upper side contacts with described control lever is provided with the triangular groove adapted with described control lever upper end; The upper end of vertical holes is provided with electromagnet, and control lever upper end is provided with magnet, and the polarity of described magnet upper end is identical with the polarity of described electromagnet lower end; ; Be provided with the first projection towards the side of sour jujube bar in the middle of control lever, on tooth bar on the position of the first projection hinged direction finding block, direction finding block has wedge angle towards sour jujube bar side, and direction finding block is provided with the second projection away from sour jujube bar side; Second projection is positioned at the below of the first projection.
2. a kind of overhead hopper for bulk handling according to claim 1, it is characterized in that: described hopper upper end is circular open, lower end is rectangle feed opening.
3. a kind of overhead hopper for bulk handling according to claim 1, is characterized in that: described hopper feed opening place is provided with the shaft-like energy disperser of horizontal positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082086.1A CN104649035B (en) | 2015-02-16 | 2015-02-16 | High-frame hopper for bulk cargo loading and unloading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082086.1A CN104649035B (en) | 2015-02-16 | 2015-02-16 | High-frame hopper for bulk cargo loading and unloading |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104649035A true CN104649035A (en) | 2015-05-27 |
| CN104649035B CN104649035B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510082086.1A Active CN104649035B (en) | 2015-02-16 | 2015-02-16 | High-frame hopper for bulk cargo loading and unloading |
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| Country | Link |
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| CN (1) | CN104649035B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111099395A (en) * | 2017-12-29 | 2020-05-05 | 日照轩宜信息科技有限公司 | Unloading machine in bulk cargo bin |
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| CN202022597U (en) * | 2011-03-25 | 2011-11-02 | 中国联合水泥集团有限公司南阳分公司 | Sealing device for material discharging for bulk cargo loading |
| CN102689753A (en) * | 2011-03-21 | 2012-09-26 | 江苏万宝机械有限公司 | Novel rubber-tyred movable funnel |
| CN202971782U (en) * | 2012-12-10 | 2013-06-05 | 中联重科股份有限公司 | Gear rack meshing mechanism, lifting mechanism and hoisting machinery |
| CN203079340U (en) * | 2013-03-12 | 2013-07-24 | 日照港集团岚山港务有限公司 | Dust-proof overhead hopper |
| CN204021990U (en) * | 2014-06-27 | 2014-12-17 | 深圳市万港物流发展有限公司 | A kind of Anti-spatter discharge funnel device |
| CN204453902U (en) * | 2015-02-16 | 2015-07-08 | 胡家宁 | A kind of overhead hopper for bulk handling |
-
2015
- 2015-02-16 CN CN201510082086.1A patent/CN104649035B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10194466A (en) * | 1996-12-27 | 1998-07-28 | Hitachi Metals Ltd | Powder and granular material supply device |
| CN2848787Y (en) * | 2005-10-10 | 2006-12-20 | 李玉清 | Bulk loading head of dust proof for automobile |
| CN201545526U (en) * | 2009-11-24 | 2010-08-11 | 鞍钢集团矿业公司 | Electric loading and dustproof device |
| CN102689753A (en) * | 2011-03-21 | 2012-09-26 | 江苏万宝机械有限公司 | Novel rubber-tyred movable funnel |
| CN202022597U (en) * | 2011-03-25 | 2011-11-02 | 中国联合水泥集团有限公司南阳分公司 | Sealing device for material discharging for bulk cargo loading |
| CN202971782U (en) * | 2012-12-10 | 2013-06-05 | 中联重科股份有限公司 | Gear rack meshing mechanism, lifting mechanism and hoisting machinery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111099395A (en) * | 2017-12-29 | 2020-05-05 | 日照轩宜信息科技有限公司 | Unloading machine in bulk cargo bin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104649035B (en) | 2017-01-18 |
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Effective date of registration: 20191209 Address after: 221400 No. six Zhong Tong Road, industrial zone of Shuang Tang Town, Xinyi City, Xuzhou, Jiangsu. Patentee after: Xinyi Kaiyuan mineral powder Co., Ltd. Address before: 221300 No. 1 Zhangjiagang East Road, Yitang Town, Pizhou City, Xuzhou City, Jiangsu Province Patentee before: Pizhou Binhe SME Management Service Co., Ltd. |
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Effective date of registration: 20210127 Address after: 221400 No.08, south side of national highway 311, Shuangtang industrial cluster, Xinyi City, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Wangzhi UAV Research Institute Co., Ltd Address before: 221400 No. six Zhong Tong Road, industrial zone of Shuang Tang Town, Xinyi City, Xuzhou, Jiangsu. Patentee before: XINYI KAIYUAN MINERAL POWDER Co.,Ltd. |
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