CN104455426A - Novel motor sealing device for idle rolling mill - Google Patents
Novel motor sealing device for idle rolling mill Download PDFInfo
- Publication number
- CN104455426A CN104455426A CN201410711299.1A CN201410711299A CN104455426A CN 104455426 A CN104455426 A CN 104455426A CN 201410711299 A CN201410711299 A CN 201410711299A CN 104455426 A CN104455426 A CN 104455426A
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- Prior art keywords
- ring
- type circle
- type
- seal arrangement
- slip ring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to a novel motor sealing device for an idle rolling mill. The novel motor sealing device for the idle rolling mill is characterized in that the sealing device comprises an inner sliding ring, an outer sliding ring, a first O-shaped ring, a second O-shaped ring, a double-lip sealing ring, an eccentric disc, an upper O-shaped ring, a lower O-shaped ring and a static sealing ring, the double-lip sealing ring and the second O-shaped ring are arranged on the eccentric disc, the first O-shaped ring is arranged in a groove of the inner sliding ring, the first O-shaped ring is arranged in a groove of the outer sliding ring and is tightly attached to a matching surface of the inner sliding ring, and the upper O-shaped ring and the lower O-shaped ring are arranged in an upper O-shaped ring groove and a lower O-shaped ring groove of the static sealing ring respectively. The novel motor sealing device for the idle rolling mill is ingenious in overall design and compact in structure and overcomes the defects of sealing devices in the prior art; by the adoption of the sealing device, ferric oxide can be prevented from accumulating below the double-lip sealing lip edge, water is prevented from entering the double-lip sealing position in a roller box, aging of the double-lip sealing position in the roller box is prevented, the situation that cooling water enters lubricating oil to caused oil pollution is avoided, a motor for the corresponding rolling step can be stopped, power consumption is reduced, and production cost is greatly reduced.
Description
Technical field
The present invention relates to seal arrangement, relate in particular to a kind of novel sky and cross stand motor seal arrangement, belong to empty and cross milling equipment technical field.
Background technique
In prior art, wire rolling plants has that a lot of what adopt is that the U.S. rubs root " 8+4 " mill milling high-speed rod, i.e. 8 frame φ 230 mm finishing mill unit and 4 framves (2x φ 230+2x φ 150) reducing-sizing mill, completely totally 30 rolling passes.When rolling φ 14.5mm-φ 26mm dimension wire, 19-26 frame mm finishing mill unit is all in unloaded state, and only need to install sky in process of production and cross conduit, supplied materials directly enters into 27-30 frame reducing-sizing mill from 15-16 rolling mill and shuts out finished product.In addition, when rolling φ 12mm-φ 26mm specification, 17-18 rolling mill is all unloaded.When directly stop using motor time, iron scale will produce and pile up by the small space between the outer slip ring of milling train and double-lip seal, and enter in the lubricant oil in milling train from small gap between sealing surface together with cooling water, pollute fluid, wearing and tearing between aggravation equipment parts, threat equipment security of operation, and add the consumption of filter core.Therefore in order to make the impurity such as the cooling water of milling train and iron scale not enter Lubricating-oil Station internal contamination lubricant oil, ensure milling equipment security of operation, motor still will start and carry out low-speed running, makes the double-lip sealing ring of milling train and slip ring form good contact and avoids into water.So just cause the waste of electric energy, exacerbate the wearing and tearing of double-lip seal, add cost of production, therefore, for problems of the prior art, a kind of new technological scheme of exigence solves above-mentioned technical problem.
Summary of the invention
The present invention is just for the technical problem existed in prior art, a kind of novel sky is provided to cross stand motor seal arrangement, the global design of sealing device is ingenious, compact structure, overcome the drawback of seal arrangement in prior art, sealing device can avoid iron oxide to pile up below double-lip seal lip limit, to prevent in roller case double-lip seal position water inlet and aging, ensure that cooling water does not enter lubricant pollution fluid, and stop using corresponding rolling sortie motor thus reduce power consumption, greatly reduce cost of production.
To achieve these goals, technological scheme of the present invention is as follows, novel sky crosses a stand motor seal arrangement, it is characterized in that, described seal arrangement comprises interior slip ring and outer slip ring, one O type circle and the 2nd O type circle, double-lip sealing ring, eccentric disc, described double-lip sealing ring and the 2nd O type circle are arranged on eccentric disc, and a described O type circle is arranged in the groove of interior slip ring, a described O type circle is arranged in the groove of outer slip ring, and the fitting surface of outer slip ring and interior slip ring is adjacent to.Sealing device can adapt to wire mill sky and cross and the rolling requirements of motor of stopping using, guarantees that the cooling water of finishing mill does not enter Lubricating-oil Station internal contamination lubricant oil, and inactive corresponding rolling sortie motor thus minimizing power consumption.
As a modification of the present invention, described seal arrangement also comprises stationary seal ring, described stationary seal ring is arranged on above outer slip ring, this stationary seal ring make milling train can when motor stop using, still good sealing effect can be reached, prevent iron oxide and cooling water from entering, thus reach the object of saving power.
As a modification of the present invention, be provided with O type ring recess above described stationary seal ring, below described stationary seal ring, be provided with lower O type ring recess.
As a modification of the present invention, described seal arrangement also comprises O type circle and lower O type circle, and described upper O type circle is arranged in O type ring recess; Described lower O type circle is arranged on lower O type ring recess, and O type circle and O type groove cooperatively interact and seal.
As a modification of the present invention, described seal arrangement also comprises Eight characters plate, and described Eight characters plate is arranged on milling train case surface, and is fitted by the fitting surface of the 2nd O type circle and eccentric disc.
As a modification of the present invention, described seal arrangement also comprises sky overprotection cap, and described empty overprotection cap is arranged on stationary seal ring 10, and is compressed by protective cap by lock bolt.
As a modification of the present invention, the external diameter of described stationary seal ring is greater than outer slip ring, more convenient during assembling, avoids mutual interference.
A kind of novel sky crosses the installation method of stand motor seal arrangement, it is characterized in that, described installation steps are as follows: 1) be first loaded in milling train tank surface by Eight characters plate, the fitting surface of the two smears flat sealant, make extraneous iron oxide can not enter in Eight characters plate; 2) an O type circle is assembled in the groove of interior slip ring, and the shaft shoulder position being synchronously mounted to roll mandrel is adjacent to; 3) double-lip sealing ring and the 2nd O type circle are loaded on eccentric disc, and keep good sealing by the 2nd O type circle and Eight characters plate; 4) an O type circle is assembled in the groove of outer slip ring, and the fitting surface of outer slip ring and interior slip ring is adjacent to; 5) upper O type circle, lower O type circle are assembled to respectively in the upper and lower corresponding upper O type ring recess of stationary seal ring and lower O type ring recess, and are inserted in above outer slip ring; 6) be pressed on stationary seal ring with empty overprotection cap, and by lock bolt, protective cap compressed, make O type circle, lower O type circle deforms, and be close to sky overprotection cap and eccentric disc respectively.
Relative to prior art, advantage of the present invention is as follows: 1) overall construction design of the present invention is ingenious, compact structure, good airproof performance; 2) special stationary seal ring is added in this technological scheme, the O type groove being provided with o circle up and down of this stationary seal ring, thus can foreign material are completely isolated comes by double-lip seal and extraneous cooling water and iron scale etc., iron oxide is avoided to pile up below double-lip seal lip limit, to prevent in roller case double-lip seal position water inlet and aging, ensure that cooling water does not enter lubricant pollution fluid, and stop using corresponding rolling sortie motor thus reduce power consumption greatly reduce cost of production; This stationary seal ring selects stainless steel, avoids invading the surface corrosion that ducks in drink for a long time, affects the precision of surface of contact, keeps good sealing effect, increases the service life; 3) this technological scheme needs milling train sky out-of-date at rolling φ 12mm and above wire rod, notifies that the motor of corresponding sortie is stopped using by electrician, is arranged on by stationary seal ring on outer slip ring, dismantles all more convenient, substantially produces without extra work amount; By the tracking and monitoring of 6 months, after the transformation of enforcement static seal, without entering cooling water and iron oxide phenomenon in lubricant oil, ensure that oil quality; Meanwhile, motor also reduces the wear extent of double-lip sealing ring after stopping using, and extends the working life more than 2 times of double-lip sealing ring, avoids the frequent replacing of double-lip sealing ring to safeguard, decreases the workload of employee; Economic Efficiency after improving: 1,19-26 frame mm finishing mill unit: power of motor 7000KW, voltage 3150V, power factor is 1.0, during finishing mill no-load running, the electric current of motor is about 190A, power consumption 1037KWh per hour, according to the 6000 hours steel time that the crosses calculating of the annual rolling φ 14mm above dimension wire whole year, annual save power 6,220,000 KWh; 2, the pre-finish rolling group of 17-18 frame: power of motor 1845KW, voltage 690V, power factor is 0.923, during pre-finish rolling no-load running, the electric current of motor is about 330A, power consumption 364KWh per hour, according to the 8000 hours steel time that the crosses calculating of the annual rolling φ 12mm above dimension wire whole year, annual save power 2,910,000 KWh; In sum, after special stationary seal ring is installed, pre-finish rolling 17-18 frame and finishing mill 19-26 are built on stilts carry time, inactive motor, the total electricity can saved every year is 9,130,000 KWh, and economic benefit is considerable, and therefore this technological scheme is convenient to apply on a large scale.
Accompanying drawing explanation
Fig. 1 is stationary seal ring structural representation of the present invention;
Fig. 2 is Fig. 1 sectional view;
Fig. 3 is the stationary seal ring assembly structure schematic diagram of the present invention with O type circle;
Fig. 4 is the whole schematic diagram of sealing device of the present invention;
In figure: 1, interior slip ring, the 2, the one O type circle, 3, roll mandrel; 4, empty overprotection cap, 5, double-lip sealing ring, 6, outer slip ring; 7, the 2nd O type circle, 8, Eight characters plate, 9, eccentric disc; 10, stationary seal ring; 11, upper O type circle, 12, lower O type circle, 13, roller case surface; 14, upper O type ring recess, 15, lower O type ring recess.
Embodiment
In order to deepen the understanding of the present invention and understanding, below in conjunction with the drawings and specific embodiments, the invention will be further described and introduce.
embodiment 1: see Fig. 4, a kind of novel sky crosses stand motor seal arrangement, described seal arrangement comprises interior slip ring 1 and outer slip ring 6, one O type circle 2 and the 2nd O type circle 7, double-lip sealing ring 5, eccentric disc 9, described double-lip sealing ring and the 2nd O type circle are arranged on eccentric disc 9, a described O type circle is arranged in the groove of interior slip ring 1, a described O type circle is arranged in the groove of outer slip ring 6, and be adjacent to the fitting surface of interior slip ring, described seal arrangement also comprises stationary seal ring 10, and described stationary seal ring 10 is arranged on above outer slip ring 6.Sealing device overall construction design is ingenious, compact, add stationary seal ring, wire mill sky can be adapted to crosses and the rolling requirements of motor of stopping using, guarantee that the cooling water of finishing mill does not enter Lubricating-oil Station internal contamination lubricant oil, and inactive corresponding rolling sortie motor thus minimizing power consumption.
embodiment 2: see Fig. 1, Fig. 2, Fig. 3, Fig. 4, as a modification of the present invention, be provided with O type ring recess 14 above described stationary seal ring 10, below described stationary seal ring, be provided with lower O type ring recess 15; Described seal arrangement also comprises O type circle 11 and lower O type circle 12, and described upper O type circle 11 is arranged in O type ring recess 14; Described lower O type circle 12 is arranged on lower O type ring recess 15, O type circle and O type groove and cooperatively interacts and seal.Thus can foreign material are completely isolated opens by double-lip seal and extraneous cooling water and iron scale etc., thus the object of saving power can be reached.All the other structures are identical with embodiment 1 with advantage.
embodiment 3: see Fig. 4, as a modification of the present invention, described seal arrangement also comprises Eight characters plate 8, and described Eight characters plate 8 is arranged on milling train case 13 surface, and is fitted with the fitting surface of eccentric disc 9 by the 2nd O type circle 7; Described seal arrangement also comprises sky overprotection cap 4; described empty overprotection cap 4 is arranged on stationary seal ring 10; and by lock bolt, protective cap is compressed; make O type circle 11, lower O type circle 12 deforms; and be close to sky overprotection cap 4 and eccentric disc 9 respectively; so just the position likely intake all can be sealed and put in place; make double-lip sealing ring 5 and extraneous cooling water and iron scale etc. foreign material be completely isolated to come; avoid iron oxide to pile up below double-lip sealing ring lip limit, to prevent in roller case double-lip sealing ring position water inlet and aging.
Working principle:
1) see Fig. 1-Fig. 4, this technological scheme proposes slip ring 6 outside and installs special stationary seal ring 10 additional above, the outside dimension of stationary seal ring 10 is slightly larger than outer slip ring 6, and upper, lower plane is processed the assembling groove with O RunddichtringO, wherein the upper plane of stationary seal ring 10 contacts with empty overprotection cap 4, the upper surface of lower plane and outer slip ring 6 paste and, simultaneously by upper O type circle 11, the pressure distortion of lower O type circle 12, can foreign material be completely isolated comes by double-lip sealing ring 5 and extraneous cooling water and iron scale etc., iron oxide is avoided to pile up below double-lip sealing ring lip limit, to prevent in roller case double-lip sealing ring position water inlet and aging, ensure that cooling water does not enter in thin oil, during installation, specific operation are as follows, and 1) first Eight characters plate 8 is first loaded on milling train casing 13 on the surface, the fitting surface of the two smears flat sealant, makes extraneous iron oxide can not enter in Eight characters plate,
2) an O type circle 2 is assembled in the groove of interior slip ring 1, and the shaft shoulder position being synchronously mounted to roll mandrel 3 is adjacent to; 3) double-lip sealing ring 5 and the 2nd O type circle 7 are loaded on eccentric disc 9, and keep good sealing by O type circle 7 and Eight characters plate 8; 4) an O type circle 2 is assembled in the groove of outer slip ring 6, and outer slip ring 6 is adjacent to the fitting surface of interior slip ring 1; 5) upper O type circle 11, lower O type circle 12 are assembled in groove corresponding to stationary seal ring about 10, and are inserted in above outer slip ring 2; 6) be pressed on stationary seal ring 10 with empty overprotection cap 4, and by lock bolt, protective cap compressed, make O type circle 11, lower O type circle 12 deforms, and be close to sky overprotection cap 4 and eccentric disc 9 respectively.So just the position likely intake all can be sealed and put in place, make double-lip sealing ring 5 and extraneous cooling water and iron scale etc. foreign material be completely isolated to come, avoid iron oxide to pile up below double-lip sealing ring lip limit, to prevent in roller case double-lip sealing ring position water inlet and aging.
At least one in technical characteristics described in embodiment 2,3 and embodiment 1 can also be combined to form new mode of execution by the present invention.
It should be noted that above-described embodiment, be not used for limiting protection scope of the present invention, equivalents done on the basis of technique scheme or the alternative scope all falling into the claims in the present invention and protect.
Claims (8)
1. a novel sky crosses stand motor seal arrangement, it is characterized in that, described seal arrangement comprises interior slip ring and outer slip ring, one O type circle and the 2nd O type circle, double-lip sealing ring, eccentric disc and stationary seal ring, described double-lip sealing ring and the 2nd O type circle are arranged on eccentric disc, and a described O type circle is arranged in the groove of interior slip ring, a described O type circle is arranged in the groove of outer slip ring, and is adjacent to the fitting surface of interior slip ring.
2. novel sky according to claim 1 crosses stand motor seal arrangement, it is characterized in that, described seal arrangement also comprises stationary seal ring, and described stationary seal ring is arranged on above outer slip ring.
3. novel sky according to claim 2 crosses stand motor seal arrangement, it is characterized in that, is provided with O type ring recess, is provided with lower O type ring recess below described static sealing ring above described stationary seal ring.
4. novel sky according to claim 3 crosses stand motor seal arrangement, it is characterized in that, described seal arrangement also comprises O type circle and lower O type circle, and described upper O type circle is arranged in O type ring recess; Described lower O type circle is arranged on lower O type ring recess, and O type circle and O type groove cooperatively interact and seal.
5. novel sky according to claim 3 crosses stand motor seal arrangement, it is characterized in that, described seal arrangement also comprises Eight characters plate, and described Eight characters plate is arranged on milling train case surface, and is fitted by the fitting surface of the 2nd O type circle and eccentric disc.
6. the novel sky according to claim 3 or 4 crosses stand motor seal arrangement, it is characterized in that, described seal arrangement also comprises sky overprotection cap, and described empty overprotection cap is arranged on stationary seal ring, and is compressed by protective cap by lock bolt.
7. the novel sky according to claim 3 or 4 crosses stand motor seal arrangement, it is characterized in that, the external diameter of described stationary seal ring is greater than outer slip ring.
8. adopt novel sky described in any one of claim 1-7 claim to cross the installation method of stand motor seal arrangement, it is characterized in that, described installation steps are as follows: 1) be first loaded in milling train tank surface by Eight characters plate, the fitting surface of the two smears flat sealant, makes extraneous iron oxide can not enter in Eight characters plate; 2) an O type circle is assembled in the groove of interior slip ring, and the shaft shoulder position being synchronously mounted to roll mandrel is adjacent to; 3) double-lip sealing ring and the 2nd O type circle are loaded on eccentric disc, and keep good sealing by the 2nd O type circle and Eight characters plate; 4) an O type circle is assembled in the groove of outer slip ring, and the fitting surface of outer slip ring and interior slip ring is adjacent to; 5) upper O type circle, lower O type circle are assembled to respectively in the upper and lower corresponding upper O type ring recess of stationary seal ring and lower O type ring recess, and are inserted in above outer slip ring; 6) be pressed on stationary seal ring with empty overprotection cap, and by lock bolt, protective cap compressed, make O type circle, lower O type circle deforms, and be close to sky overprotection cap and eccentric disc respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410711299.1A CN104455426B (en) | 2014-12-01 | 2014-12-01 | A kind of new sky crosses stand motor sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410711299.1A CN104455426B (en) | 2014-12-01 | 2014-12-01 | A kind of new sky crosses stand motor sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455426A true CN104455426A (en) | 2015-03-25 |
| CN104455426B CN104455426B (en) | 2017-07-28 |
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| CN201410711299.1A Active CN104455426B (en) | 2014-12-01 | 2014-12-01 | A kind of new sky crosses stand motor sealing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017009783A1 (en) * | 2015-07-14 | 2017-01-19 | Tenute S.R.L. | Front seal ring and kit |
| CN107138539A (en) * | 2017-07-03 | 2017-09-08 | 河钢股份有限公司承德分公司 | A kind of finishing mill, mm finishing mill unit and mm finishing mill unit thin oil pollution sources detection method |
| CN108266461A (en) * | 2018-03-13 | 2018-07-10 | 红云红河烟草(集团)有限责任公司 | A kind of eccentric disc oil leakage protection device |
| CN108506492A (en) * | 2018-05-31 | 2018-09-07 | 宋阳 | A kind of quick-changing type multi-lip seal component |
| CN110778725A (en) * | 2019-11-22 | 2020-02-11 | 江门市鑫辉特种密封科技有限公司 | Sealing device for high-speed wire rolling mill |
| CN110848387A (en) * | 2019-11-22 | 2020-02-28 | 江门市鑫辉特种密封科技有限公司 | Sealing mechanism for high-speed wire rolling mill |
| CN112128380A (en) * | 2020-09-18 | 2020-12-25 | 江苏永钢集团有限公司 | Sealing structure of roller box of wire finishing mill |
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| CN204327962U (en) * | 2014-12-01 | 2015-05-13 | 江苏永钢集团有限公司 | A kind of novel sky crosses stand motor seal arrangement |
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| US3884535A (en) * | 1974-04-29 | 1975-05-20 | Morgan Construction Co | Seal |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017009783A1 (en) * | 2015-07-14 | 2017-01-19 | Tenute S.R.L. | Front seal ring and kit |
| CN107138539A (en) * | 2017-07-03 | 2017-09-08 | 河钢股份有限公司承德分公司 | A kind of finishing mill, mm finishing mill unit and mm finishing mill unit thin oil pollution sources detection method |
| CN108266461A (en) * | 2018-03-13 | 2018-07-10 | 红云红河烟草(集团)有限责任公司 | A kind of eccentric disc oil leakage protection device |
| CN108506492A (en) * | 2018-05-31 | 2018-09-07 | 宋阳 | A kind of quick-changing type multi-lip seal component |
| CN110778725A (en) * | 2019-11-22 | 2020-02-11 | 江门市鑫辉特种密封科技有限公司 | Sealing device for high-speed wire rolling mill |
| CN110848387A (en) * | 2019-11-22 | 2020-02-28 | 江门市鑫辉特种密封科技有限公司 | Sealing mechanism for high-speed wire rolling mill |
| CN110778725B (en) * | 2019-11-22 | 2021-08-17 | 江门市鑫辉特种密封科技有限公司 | Sealing device for high-speed wire rolling mill |
| CN112128380A (en) * | 2020-09-18 | 2020-12-25 | 江苏永钢集团有限公司 | Sealing structure of roller box of wire finishing mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104455426B (en) | 2017-07-28 |
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Effective date of registration: 20190704 Address after: 215600 Yonglian Village, Nanfeng Town, Zhangjiagang City, Jiangsu Province Patentee after: Lian Feng Steel (Zhangjiagang) Co., Ltd. Address before: 215600 Yonglian Industrial Park, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province, General Office of Yonggang Group (Jiangsu Yonggang Group Co., Ltd.) Patentee before: Jiangsu Yonggang Group Co., Ltd. |
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