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Home Supplier Discovery Metallurgy, Mineral & Energy Steel Pipe & Tube Seamless Square Factories & Companies
Total 2,000+ seamless square factories & companies found with 6,000+ products. Source high quality seamless square from our great selection of reliable seamless square manufacturing factories.

Shandong Xinliangxin Metal Material Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Stainless Steel Plate , Stainless Steel Coil , Stainless Steel Strip , Aluminum Plate , Aluminum Coil
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: ODM
Location: Liaocheng, Shandong
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Wuxi Zhongxiu Stainless Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Steel Tube , Steel Seamless Pipes , Stainless Steel Sheet , Stainless Steel Coil , Stainless Steel Strip
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Wuxi, Jiangsu
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HAN XIN STEEL GROUP CO., LTD

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Galvanized Steel Pipe , Galvanized Square Pipe , Seamless Steel Pipe , Profiles , ERW
Mgmt. Certification:
ISO 9001, ISO 17025
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Shenzhen, Guangdong
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Zhejiang Zhitong Pipe Valve Technology Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Valve
Mgmt. Certification:
ISO9001:2015, ISO14001:2015
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Wenzhou, Zhejiang
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Tianjin Emerson Metal Steel Products Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Sheet Metal Fabrication and Products , Steel Plate Laser Cutting , Stainless Steel Plate Laser Cutting , Laser Cutting Parts , Metal Cutting
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Tianjin, Tianjin
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Tianjin Jinnuo Steel Pipe Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: ERW steel pipe , Galvanized steel pipe , Seamless steel pipe , Steel plate
Mgmt. Certification:
ISO9001:2015
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Tianjin, Tianjin
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Wuxi Biying Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Group Corporation
Main Products: Steel Pipe , Steel Plate , Steel Coil , Steel Bar , Galvanized Steel Pipe
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Wuxi, Jiangsu
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Cangzhou Chengsheng Pipeline Equipment Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Trading Company
Main Products: Metal Part , Steel Pipe , Pipe Fitting
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Cangzhou, Hebei
Production Lines: 1
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Shenzhen Yilairuika Medical Technology Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Women Compression Faja , Post Surgery Shapewear , Men Shapewear
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Shenzhen, Guangdong
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Jiangxi Guihai Trading Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Trading Company
Main Products: Profile Steel Series , Steel Plate , Welded Pipe , Seamless Steel Tube
Factory ownership: Limited Company
Location: Nanchang, Jiangxi
Production Lines: Above 10
Main Markets: North America , Southeast Asia/ Mideast , Africa
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Changzhou Tenjan Steel Tube Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Seamless Steel Pipe , Seamless Steel Tube , Carbon Steel Pipe , Precision Steel Pipe , Alloy Steel Pipe
Mgmt. Certification:
ISO9001:2015
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Changzhou, Jiangsu
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Shijiazhuang Chengsen Trading Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Wire Mesh , Steel Square Pipe , Roofing Sheet , Wire Nails , Fiberglass Cloth
Mgmt. Certification:
ISO 9001, ISO 14001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Shijiazhuang, Hebei
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Tianjin Dingshengwang Steel Trade Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company , Group Corporation
Main Products: Stainless Steel Sheet , Stainless Steel Plate , Stainless Steel Tube , Stainless Steel Pipe , Stainless Steel Bar/Rod
Mgmt. Certification:
ISO 9001
R&D Capacity: OEM, ODM
Location: Tianjin, Tianjin
Production Lines: 10
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Sichuan Liaofu Special Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Mould Steel Bar , Mould Steel Plate , Free Cutting Steel Bar , Alloy Steel Bar , Alloy Steel Tube
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Chengdu, Sichuan
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Shandong Zayi Steel Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Copper Pipe , Square Steel Pipe , Seamless Steel Pipe , Stainless Steel Pipe , Stainless Steel Plate
Mgmt. Certification:
ISO 9001, ISO 9000
Factory ownership: Limited Company
Location: Liaocheng, Shandong
Production Lines: Above 10
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Shandong Dingcheng Liye Materials Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Steel plate , steel profile
Mgmt. Certification:
ISO 9001, ISO 20000, ISO 10012
Factory ownership: Limited Company
Location: Jinan, Shandong
Main Markets: South America , Africa
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Zhangjiagang HaoHua Industry Pipe Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Trading Company
Main Products: Fin Tube , Tubesheet , Forging Disk , Seamless Tube , Flange
Mgmt. Certification:
ISO 9001, ASME
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Suzhou, Jiangsu
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Hebei Shenhao Pipe Fittings Manufacturing Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Elbows , Flangs , Pipe Caps , Tees , Threads
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: ODM, OEM, Own Brand
Location: Cangzhou, Hebei
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Jiangsu qifeng Metal Products Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Galvanized Steel Strip Series , Cold-Rolled Steel Strip , Hot Rolled Coil
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Wuxi, Jiangsu
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Shandong Nisen Trade Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Woodworking Machinery , UPVC Window Machine , Aluminum Window Machine , Laser Machine , Window Door Hardware
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Jinan, Shandong
Production Lines: 5
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Linyi Jinzhengyang Pipe Industry Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory
Main Products: Seamless Steel Pipe , Tube , Steel Pipe , Steel Tube , Pipe
Mgmt. Certification:
ISO 9001, ISO 14001, ASME
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Linyi, Shandong
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Shanghai South Geely Industrial Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Aluminized Steel Tube & Pipe , Stainless Steel Tube & Pipe , Galvanized Steel Tube & Pipe , Carbon Steel Tube & Pipe , Bulldozer and Grader
Mgmt. Certification:
ISO 9001, ISO 14001, ISO 20000, OHSAS/ OHSMS 18001, ISO 14064...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Shanghai, Shanghai
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Weifang East Pipe Industry Technical Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Fire Sprinkler Steel Pipe , Rigid Steel Conduit , EMT Conduit , Galvanized Steel Pipe , Powder Coating Production Line
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, OHSAS/ OHSMS 18001
Factory ownership: Limited Company
R&D Capacity: ODM
Location: Weifang, Shandong
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Zhongshan Jiufu Electric Appliances Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Wine Cooler , Cigar Humidor
Mgmt. Certification:
ISO9001:2015
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Zhongshan, Guangdong
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Wanshida Steel (Shandong) Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: PPGI , Galvanized Coil , Galvanized Pipe , Carbon Steel Coil , Carbon Steel Plate
Mgmt. Certification:
Nil
Factory ownership: Limited Company
R&D Capacity: ODM, Own Brand
Location: Jinan, Shandong
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Shandong Kewei Metal Materials Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company , Group Corporation
Main Products: Steel Plate , Steel Pipe , Galvanized Products , H Beam , Stainless Steel Plate
Mgmt. Certification:
ISO 9001, ISO 9000
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Liaocheng, Shandong
Click here to send inquiry Add to Inquiry Basket

Zhejiang Chanyat Power Engineering Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Pipe Fitting , Valve , Flange , Forging Fitting , Bw Fitting
Mgmt. Certification:
ISO9001:2015, ISO14001:2015
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Hangzhou, Zhejiang
Click here to send inquiry Add to Inquiry Basket

Wuxi City Ge Ming Sheng Steel Trading Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Stainless Steel , Hardware , Cold Rolled Steel , Copper
Mgmt. Certification:
Others
Factory ownership: Limited Company
Location: Wuxi, Jiangsu
Production Lines: 9
Click here to send inquiry Add to Inquiry Basket

Changzhou Victory Technology Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Resistance Wire , Nickel Welding Wire , Thermocouple Wire , Pure Nickel Alloy , Nickel Based Alloy
Mgmt. Certification:
ISO 9001, BSCI
Factory ownership: Limited Company
Location: Changzhou, Jiangsu
Production Lines: 10
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Hetlock(Shanghai)Machinery Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Hydraulic Cylinder , Cylinder , Hydraulic Press Cylinder , Oil Cylinder , Press Cylinder
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Shanghai, Shanghai
Click here to send inquiry Add to Inquiry Basket
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Category

Manufacturing & Processing Machinery (1,281) Construction & Decoration (1,128) Industrial Equipment & Components (1,093) Tools & Hardware (804) Metallurgy, Mineral & Energy (742) Auto, Motorcycle Parts & Accessories (492) Electrical & Electronics (417) Light Industry & Daily Use (404) Packaging & Printing (389) Transportation (201) More

Management Certification

ISO 9001 (1,645) ISO 14001 (765) ISO 9000 (497) ISO9001:2015 (340) BSCI (287) ISO 14000 (279) ISO 20000 (237) OHSAS/ OHSMS 18001 (218) IATF16949 (217) QC 080000 (201) GMP (170) ISO 14064 (162) Others (161) HSE (155) ISO14001:2015 (152) ASME (81) FSC (81) ISO 13485 (74) SEDEX (69) ANSI/ESD (56) ISO 10012 (55) ISO 22000 (53) ISO 17025 (49) BRC (48) SA 8000 (46) ISO 50001 (42) HACCP (42) BS 25999-2 (40) ISO 29001 (38) QSR (37) QHSE (37) WRAP (37) EICC (37) PAS 28000 (35) IFS (35) GAP (35) LEED (32) AIB (32) SHE Audits (30) ISO45001:2016 (29) BREEAM (28) HQE (28) ISO9001:2008 (15) OHSAS18001:2007 (8) ISO14001:2004 (4) IRIS (1) More

R&D Capacity

OEM (2,277) ODM (1,930) Own Brand (1,328) Others (52)

Annual Revenue

<1 Million USD (1,081) 10 ~ 50 Million USD (33) 2.5 ~ 5 Million USD (26) 1 ~ 2.5 Million USD (22) 5 ~ 10 Million USD (18) >100 Million USD (15) 50 ~ 100 Million USD (14) More

No. of Employees

5-50 People (626) 51-200 People (376) Less than 5 People (79) 201-500 People (76) 501-1000 People (19) Above 1000 People (9) More

Province & Region

Guangdong (611) Shandong (570) Jiangsu (370) Zhejiang (328) Hebei (179) Fujian (118) Shanghai (103) Henan (97) Tianjin (81) Anhui (54) Hunan (43) Hubei (41) Jiangxi (29) Beijing (26) Shaanxi (22) Liaoning (16) Chongqing (11) Shanxi (8) Sichuan (7) Hainan (3) Yunnan (3) Hongkong S.A.R. (2) Gansu (1) Qinghai (1) Guangxi (1) Jilin (1) More

Member & Type

Suppliers with verified business licenses.Diamond Member
Suppliers with verified business licenses.Gold Member
Suppliers reviewed by inspection services.Audited Supplier

Recommended Factories

More

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Seamless Square Factories & Companies:

Welcome to one of the largest China B2B marketplace. This seamless square company list contains a wide range of seamless square factories serving all industries. This trusted vertical directory contains premier China suppliers/vendors, trading companies, custom manufacturers (OEM/ODM) and plants. They are experienced China exporting manufacturers offering tens of thousands of high-quality, competitive pricing products to distributors, wholesalers, resellers, and buyers. You can buy best budget seamless square in bulk or cooperate with some ideal ones of these credible suppliers for your import/export business on our b2b portal Made-in-China.com.
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