HomeSupplier Discoveryarrow-rightMetallurgy, Mineral & Energyarrow-rightSteel Pipe & Tubearrow-rightMining 304 Pipe Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
More
No.of Employees
Province & Region
More
about mining 304 pipe
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

mining 304 pipe900+ factories verified

XINHANG SPECIAL MATERIAL CO.,LTD HANGZHOU BRANCH

3 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Stainless Steel Seamless Tube/Pipe, Stainless Steel Flanges, Stainless Steel Tube Fittings, Stainless Steel Pipe Connector, Stainless Steel Welded Tube/Pipe, Stainless Steel Bright Seamless Tube/Pipe,
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company was founded in 2007 and moved to Longyou Economic Development Zone, Zhejiang Province in 2022. It covers an area of 130, 000 square meters, more than 30 production lines, and an annual output of 50, 000 tons. It has passed ISO9001: 2008 quality management system, PED 97/23/EC EU Pressure Equipment Directive certification, China Special Equipment Manufacturing License (Pressure Tube) TS certification, ASME certification, provincial enterprise standardization management system, ISO14000: 2004 environment Management system, cleaner production (green enterprise) and a series of certifications, as well as China Classification Society (CCS), American Bureau of Shipping (ABS), British Register of Shipping (LR), Deutsche Veritas (GL), Bureau Veritas Society (BV), Det Norske Veritas (DNV), Korean Register of Shipping (KR) factory certification. The main products include stainless steel pipes, pipe fittings, flanges, valves, etc., which are widely used in petroleum, chemical industry, nuclear industry, smelting, shipbuilding, pharmaceuticals, food, water conservancy, electric power, new energy, mechanical equipment and other fields. The company adheres to the corporate tenet of "quality for survival, reputation for development" and wholeheartedly serves every customer to create a win-win situation.

WUXI BAOWANG STEEL CO., LTD.

Main Products:
Stainless Steel Sheet, Steel Plate, Stainless Steel Coil, Stainless Steel Pipe, Steel Pipe, Alloy Steel, Stainless Steel Bar, Steel Strip, Cold Rolled Coil, Seamless Steel Pipe
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
After many years developments, Wuxi Baowang Steel Co., Ltd. Has become one of the level-one suppliers of China. Now the company is mainly focusing on the import and export all kinds stainless steel products,

Zhejiang Decheng Stainless Steel Co., Ltd.

11 yrs
·Trading Company
Main Products:
Stainless Steel Seamless Pipe, Stainless Steel Welded Pipe, Stainless Steel Sanitary Mirror Pipe and High PU, Stainless Steel Pipe Fittings, Stainless Steel Flange, Special Material Pipes, Stainless S
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Zhejiang Decheng Stainless Steel Co., Ltd. Was founded in 1997. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers.

Jiangsu Jieruite Stainless Steel Co., Ltd

5.0
Main Products:
Stainless Steel Sheet, Stainless Steel Coil, Stainless Steel Pipe, Aluminum Sheet, Aluminum Coil, Copper Sheet, Copper Coil, Stainless Steel Bar, Stainless Steel Plate, Stainless Steel Tube
Country/Region:
Jiangsu, China
Sample Service:
Sample Available
Company Profile:
Shanghai Jieruite Stainless Steel Co., Ltd is a large stainless steel enterprise integrating production and sales.

Liaocheng Mingxing Pipe Manufacturing Co., Ltd.

10 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Steel Pipe, Steel Rod, Steel Coil, Steel Sheet, PPGI, PPGL
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
In the magnificent landscape of the steel industry, Liaocheng Mingxing Pipe Manufacturing Co., Ltd. Has been like a rising star since its establishment in 2016. It has emerged prominently in the industry with a rapid momentum and gradually grown into a pioneering enterprise integrating modern production and trade. The company has always focused on the global market with keen insight, and advanced steadily in the fierce market competition relying on forward-looking strategic vision and solid business capabilities, constantly writing its own development chapter.  

Zhejiang Sailing Steel Industry Co., Ltd.

Main Products:
Stainless Steel Pipe, Stainless Steel Seamless Pipe, Welded Stainless Steel Pipe, Sanitary Stainless Steel Pipe, Heat Exchanger Tube, Stainless Steel Seamless Tubing, Stainless Steel Tubing, High Purity Clean Pipe, Welded Stainless Steel Tube, Ss Pipe
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
ZHEJIANG SAILING STEEL INDUSTRY Co., Ltd was founded in 2011 in Wenzhou. We are a manufacturer devoted to the production and sales of stainless steel pipes and tubes, including seamless & welded stainless steel pipes and tubes, sanitary pipes, heat exchange tube, special steel material pipes. The material we are dealing including 304/304L/321/321H/310S/347H/316L/316Ti/317L/2205/2507, and Nickle base Alloy. The standards to be implemented are ASTM A312, ASTM A213, ASTM A269, ASTM A511, ASTM A789, ASTM A790, JIS3463, JIS3459, DIN2462, DIN17458, DIN17456, EN10216-5.

Shandong Xindarong Steel Pipe Manufacturing Co., Ltd.

10 yrs·5.0
·Manufacturer/Factory
Main Products:
Steel Tube, Seamless Steel Tube, Steel Plate
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
We are a comprehensive, modern and high-quality enterprise integrating steel production, processing and sales. Located in Shandong Iron and Steel City: Liaocheng. The company has developed rapidly since its establishment. It has established long-term and stable cooperative relations with Shandong Iron and Steel, Rizhao Iron and Steel, etc. Main products: Carbon steel, I-beam, H-beam, stainless steel plate, wear-resistant plate, patterned steel plate, galvanized series, steel pipe, rebar, welded pipe, galvanized welded pipe, spiral welded pipe, etc. Widely used in important fields such as automobile, petroleum, railway, bridge, construction, electric power, transportation, machinery, shipbuilding, light industry, household appliances, kitchen and so on.

China Steel Material & Pipe Company

4 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Seamless Steel Pipe, Precision Steel Pipe, Galvanized Steel Pipe, Square Steel Pipe, Irregular Steel Pipe
Country/Region:
Tianjin, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Company China Steel Material & Pipe Company, together with its subsidiaries Company JinHuaTai (Tianjin) International Trade Co, Ltd, Company HuaQiYouFa Pipe Tech, and Company ZhongTian ZhongGong, are affiliated to the same group. One-stop steel material, steel pipe&plate, section steel and customization tailored to your needs more than 20 years. Our steel material supply 30 out of 32 regions in China. It has 4 offices in China, 1 international branch in Tianjin; 3factories(2 in LiaoCheng, 1 in JingHai).

TIANCHENG METAL MATERIAL(TIANJIN) CO., LTD.

Main Products:
Seamless Pipe/Boiler Tube, Alloy Steel Seamless Pipe, API 5CT Petroleum Tubing Casing, Stainless Steel Seamless Tubes, Slotted Casing Seamless Pipe, API 5L Seamless Pipes, Home and Living Chair, Copper Tubes, Nickel Alloy Tube, Home and Living Table
Country/Region:
Tianjin, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
TIANJIN TIANCHENG IMPORT AND EXPORT Co., Ltd&TIANCHENG METAL MATERIAL (TIANJIN)Co., Ltd is one of Tiancheng Steel Subsidiary corporations since2008, TIANJIN TIANCHENG IMPORT AND EXPORT Co., Ltd&TIANCHENG METAL MATERIAL (TIANJIN)Co., LTDis Established on March 2017 &2022and Located in Tianjin, and help our factory to export steel & Tubes& Nickel Alloy & Copper Tube& Stainless Steel Tube & Fitting to other country, and enjoy government policy better, We establish Home and Living Chair& Table new business with our brother company in 2020;

Wuxi Xinyiyuan Metal Products Co., Ltd.

3 yrs
·Trading Company
Main Products:
Steel Sheet
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company has been engaged in import and export trade for"moret than 20 years. It is a comprehensive manufacturing company engaged in high-quality steel and has established closecooperative relations with major steel production enterprises at home and abroadWith sufficient supplyreasonable price and honest service, we are based on the Chineseand foreign markets, have good corporate reputation and win the trust of our customers. We have a united and cooperative marketing team for development. With high-qualityservice and flexible business mode, we uphold the business philosophy of "survival byquality and development by reputation", Based on the principle of "honest operation, mutual benefit and common development", we are willing to provide new and oldcustomers with better and more professional services to create a better tomorrow.

Wuxi Jinlongming Metal Products Co., Ltd.

Main Products:
Steel Pipe, Steel Sheet, Steel Coil, Steel Bar, Stainless Steel Sheet, Stainless Steel Pipe, Stainless Steel Coil, Stainless Steel Bar, Aluminum Sheet, Aluminum Coil
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wuxi Jinlongming Metal Products Co., Ltd. Was established in 2010, which is a wholly-owned subsidiary of Wuxi Lusheng Special Steel Co., Ltd., Jiangsu HYT International Trading Co. Is responsible for the overseas marketing business of various metal products produced by our group. We specialize in alloy steel, stainless steel, carbon steel, copper, aluminum, high nickel chromium alloy and other materials of pipes, plates, bars, profiles, piping fittings and welding materials, we dediceted in providing one-stop service for petroleum, chemical, electric power and automobile manufacturing industries.

Lingchuang Iron and Steel Group Co., Ltd

5 yrs
·Trading Company
Main Products:
Stainless Steel, Carbon Steel, Galvanized Steel, Aluminium, Copper, Aluminium Alloy, Copper Alloy, Hastelloy Alloy, Nickel Alloy, Monel Alloy
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Lingchuang Steel Group Co., Ltd., located in Jinan City, Shandong Province, China, is a leading enterprise specializing in the research, production, sales, and distribution of steel products. With advanced production facilities and modern integrated equipment, the company is committed to providing high-quality steel products to customers worldwide, earning their trust and confidence.

Shandong Xingtongda Steel Co., Ltd

5.0
Main Products:
Steel Coil, Steel Pipe, Steel Plate/Sheet, Stainless, Aluminum, Color Coated Steel Coil, Section Steel, Copper, Steel Wire Rpoe, Steel Wire
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Xingtongda Steel Co., Ltd was founded in 2020 with a registered capital of 10 million RMB and has more than 20 years of experience in the steel industry. Our annual sales nearly one billion, about 300, 000 tons steel.

Wuxi Aojiewei Metal Materials Co., Ltd.

5.0
Main Products:
Stainless Steel Coil/Strip, Stainless Steel Plate/Sheet, Stainless Steel Pipe/Tube, Aluminum Plate/Sheet/Coil, Aluminum Bar/Rod/Pipe/Tube, Galvanized Steel Sheet/Coil, Galvanized Square Pipe/Tube, PPGI Coil/Sheet, Channel Steel/Angle Steel, H/L/T/C/I-Beam
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wuxi Aojiewei Metal Materials Co., Ltd. Specializes in TISCO 300 series stainless steel materials. It mainly orders raw stainless steel coils directly from steel mills and stocks them in different processing centers around the Wuxi warehouse. The company has a standing inventory of 3, 000 tons, which can be opened according to customer requirements., slitting, drawing, polishing, laminating, embossing, punching, laser cutting and other processing. 304L stainless steel coils are the company's advantageous products. Their price and quality are extremely competitive in the market, and are deeply favored by foreign companies and foreign traders. Recognition and affirmation. Our company's Wuxi warehouse has one 10-ton and 3.5-ton Hangzhou forklift, equipped with 10-ton and 16-ton cranes. The company attaches great importance to quality management and has the most demanding quality inspection department. The company has 5 people Stainless steel quality inspectors supervise the entire process from the processing of stainless steel coils and steel plates to the inspection of finished products, and can effectively control the quality. The company's packaging requirements for stainless steel coils are No. 1 in Wuxi, and the goal is to be No. 1 in the world. The company has independent packaging Ability to support trailers, avoid cargo damage caused by multiple shipments, and be able to pack without damage, allowing customers to receive the most perfect quality. The company has various testing instruments, such as an imported handheld spectrometer from Olympus, different types of micrometers, Vernier calipers, rulers, crane scales, etc., can meet various testing requirements. All TISCO stainless steel products of our company are traceable, from labeling to processing, and warranty certificates, all can be corresponded one-to-one, focusing on completeness and providing convenience to customers. The company's stainless steel products started from foreign trade and can meet the stringent requirements of developed countries such as Europe, America, Japan and South Korea.

SHANXI XINCONGBANG METAL PRODUCTS CO., LTD.

4 yrs
·Trading Company
Main Products:
Stainless Steel pipe, Stainless steel, Carbon steel, Galvanized steel, Aluminum, Copper, Nickel
Country/Region:
Shanxi, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
In the ever-evolving world of international trade, our company stands as a beacon of quality, reliability, and innovation. Specializing in the production and export of stainless steel, carbon steel, copper, and aluminum, we have established ourselves as a trusted partner for businesses across the globe. With decades of experience, cutting-edge technology, and a commitment to excellence, we cater to a diverse range of industries, including construction, automotive, aerospace, energy, and manufacturing.

Kunqian Steel (Jiangsu) Co., Ltd.

2 yrs
·Trading Company
Main Products:
Stainless Steel, Stainless Steel Sheet, Stainless Steel Pipe, Stainless Steel Coil, Stainless Steel Plate, Stainless Steel Bar, Stainless Steel Tube, Stainless Steel Strip, Incoloy, Inconel
Country/Region:
Jiangsu, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Our company is a comprehensive enterprise specializing in the R&D, production and export of stainless steel raw materials and finished products. With over a decade of deep cultivation in the industry, we have built a complete industrial chain covering raw material smelting, precision processing and global distribution. Our main products include 304/316/201 series stainless steel plates, pipes, bars and customized deep-processing products. Relying on stable quality, flexible customization schemes and efficient delivery capabilities, our products are exported to more than 80 countries and regions such as Europe, America, Southeast Asia and the Middle East, and are widely used in construction decoration, mechanical equipment, chemical equipment, kitchenware & sanitary ware, automobile manufacturing and other fields.

Shanghai Hongxianghui Steel Manufacturing Co., Ltd.

Main Products:
Seamless Steel Pipe, PPGI, Seamless Pipe, Ductile Iron Pipe, Welded Pipe, Pickling&Oiled Coil, Stainless Pipe, Stainless Coil, Metal Product, Steel Product
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shanghai Hongxianghui Steel Manufacturing Co., Ltd. (HXH Steel), established on March 21, 2021, is a comprehensive foreign trade enterprise specializing in global, multi-category steel trade. As a key affiliate of the Zhongye Group, and backed by RMB 146 million in capital, we leverage the group's powerful manufacturing base to provide global clients with reliable, one-stop steel procurement solutions.

Jiangsu Xinyuanxing Metal Products Co., Ltd.

4 yrs
·Trading Company
Main Products:
Metal Material
Country/Region:
Jiangsu, China
Sample Service:
Sample Available
Company Profile:
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Guangzhou Kingmetal Steel Industry Co., Ltd.

5.0
Main Products:
Steel Pipes, Pipes Fittings, Socket Fittings, Flange, Angle Bar, C Chanel, Steel Coils, Steel Plate, Valves, Grooved Fittings
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Guangzhou Kingmetal Steel Industry Co., Ltd., is an Industry Group Company. It is a professional company in designing, producing and selling steel pipe, pipefittings and prefabricated house. We have our own big factories with modern machine line to make high quality products, which is mainly to be exported to oversea markets.

Jiangsu Botejia Special Steel Co., Ltd.

5 yrs
·Trading Company
Main Products:
Stainless Steel Sheet, Stainless Steel Coil, Stainless Steel Pipe, Stainless Steel Wire, Stainless Steel Bar, Copper Sheet, Copper Wire, Bronze Bar, Bronze Pipe, Galvanized Steel Sheet
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu Botejia Special Steel Co., Ltd is a professional manufacturer and we mainly produce Stainless Steel Sheet/Plate, Stainless Steel Coil/Roll, Stainless Steel Pipe/Tube, Stainless Steel Bar/Rod, Stainless Steel Wire, Copper Sheet/Plate, Copper Bar/Rod, Copper Pipe/Tube, Copper Coil/Roll, Copper Wire, Bronze Bar/Rod, Bronze PipeTube, Galvanized Steel Sheet/Plate, Galvanized Steel Coil/Roll, Galvanized Steel Pipe/Tube, Galvanized Steel Bar/Rod, Aluminum Sheet/Plate, Aluminum Pipe/Tube, Aluminum Coil/Roll, Aluminum Bar/Rod, Carbon Steel Sheet/Plate, Carbon Steel Coil/Roll, Carbon Steel Pipe/Tube, Carbon Steel Bar/Rod, Carbon Steel Wire, Pipe fittings, Profile Steel and so on. Dedicated to strict quality controland thoughtful customer service, our experienced staff member available to discuss your requirements and ensure full customer satisfiction.

Wenzhou Sinco Steel Co., Ltd.

14 yrs
·Trading Company
Main Products:
Stainless Steel Pipe, Pipe Fittings, Ss Plate/Sheet, Stainless Steel Seamless Pipe, Stainless Steel Tube, Ss Flange, Stailness Steel Valve, Welded Pipe, Stainless Steel Coil, Ba Tube
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
WENZHOU SINCO STEEL CO. Ltd (ZHEJIANG TSINGCO PIPING TECHNOLOGY Co., Ltd ). Is one of the leading manufacturer and exporter for the Stainless Steel Seamless Pipes & Tubes from Wenzhou, China. Based on our Stainless Steel seamless pipe factory, We supply the ONE-STOP service fittings, flanges, valves etc to our customers home and abroad.

Jiangsu Jinmingxin Metal Technology Co., Ltd.

Main Products:
Stainless Steel Coil, Stainless Steel Plate, Stainless Steel Pipe, Stainless Steel Bar, Stainless Steel Thread, Stainless Steel Rack, Stainless Steel Wire
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
JiangSu Jinmingxin Metal Technology Co., Itd is a professional supplier of stainless steel materials, located in wuxi, China with high speed of economic development. We are near Shanghai port; The traffic is very convenient. The stainless steel materials sold are widely used in the fields of instruments, medical instruments, clocks, electronic medical treatment, energy and electric power, construction, mechanical hardware, automobile, decoration and so on.

Wenzhou Huashang Steel Co., Ltd

Main Products:
Stainless Steel Pipe, Ss Pipe, Stainless Steel Tube, Ss Tube, Butt Welded Fitting, Nickel Alloy Fitting, Flange, Stainless Steel Butt Welded Fitting, Duplex Steel Pipe, Nickel Alloy Steel Pipe
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Huashang Steel was established in 2009, , after 15 years of development, We have gradually grown into a professional industrial pipe system provider and manufacturer. Serving customers from more than 50 Countries and regions World wide

Jiangsu HYT International Trading Co., Ltd.

11 yrs
·Trading Company
Main Products:
Seamless Steel Pipe, Precision Steel Pipe, Special Shape Steel Pipe
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu HYT International Trading Co., Ltd was established in 2015, which is a wholly-owned subsidiary of Wuxi Lusheng Special Steel Co., Ltd., Jiangsu HYT International Trading Co. Is responsible for the overseas marketing business of various metal products produced by our group. We specialize in alloy steel, stainless steel, carbon steel, copper, aluminum, high nickel chromium alloy and other materials of pipes, plates, bars, profiles, piping fittings and welding materials, we dediceted in providing one-stop service for petroleum, chemical, electric power and automobile manufacturing industries.

Shanghai Bozhong Metal Group Co., Ltd.

Main Products:
Stainless Steel, Nickel Alloy, Alloy and Carbon Steel
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Bozhong Metal Group is located in Shanghai, the eastern China's commercial power house. We're the leading supplier of metal products in China since 2006 and we've become the listed company in 2018(Stock code 210998). We have six subsidiary corporation located in Shanghai and Hongkong, which have built great relationship with the metal facilities abroad and at home, in order to provide excellent service for our clients.

Huzhou Dapu Advanced Material Technology Co., Ltd

Main Products:
Stainless Steel Tube, Stainless Steel Seamless Tube, Stainless Steel Welded Tube, Nickel Alloy Pipe, Stainless Steel Seamless Pipe, Stainless Steel Welded Pipe, Nickel Ally Bar, Nickel Alloy Sheet, Stainless Steel Plate, Stainless Steel Pipe Fitting
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Huzhou Dapu Stainless Steel Co., Ltd, is a company specialized in producing and marketing stainless steel pipe products. The company is jointly established by two companies which are professional manufacture of stainless steel welded pipe and stainless steel seamless pipe respectively. Company has professional production equipment and advanced testing equipment. We also have passed certificated by ISO9001-2000 and PED, and have obtained the Manufacture License of Special Equipment People's Republic of China.

Shandong Chenwang Steel Pipe Co., Ltd.

9 yrs
·Trading Company
Main Products:
Steel Pipes, Steel Plates, Galvanized Coils, Stainless Steel Coils, Round Steel, Galvanized Steel Pipes, Etc
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
washed phosphating seamless pipe, low-temperature resistant angle steel, low-alloy angle steel, pipe material, ND steel pipe, Corden steel pipe, cold drawn square steel, cold drawn steel pipe, Q345B steel pipe, high-pressure boiler pipe, 27SiMn seamless pipe, internally threaded steel pipe, thick walled seamless steel pipe, thick walled seamless pipe, Q355B angle steel, 12cr1movg alloy pipe, 15CrMoG high-pressure boiler pipe, Q345D steel pipe, Q355B channel steel, 45 # seamless steel pipe, Q345e fertilizer special pipe, 20 # seamless steel pipe, Q345D seamless pipe, cold drawn hexagonal steel, Q345C seamless steel pipe, 15CrMog alloy pipe, galvanized angle steel, 42CrMo seamless pipe, thick Wall steel pipe, small-diameter seamless steel pipe, Q345C steel pipe, 15crmog alloy pipe, Q345E seamless pipe, Q345C seamless pipe, 12Cr1MoviG alloy pipe, Q345E steel pipe, Q355D seamless steel pipe, Q355D steel pipe Q235nh weather resistant steel plate, 20cr seamless pipe, Q355B seamless steel pipe, Q355E seamless steel pipe, 42CrMo seamless steel pipe, 35CrMo seamless steel pipe, 20G boiler pipe, 40Cr seamless pipe, low and medium pressure boiler pipe, 12Cr1MoVG high-pressure boiler pipe, large-diameter seamless steel pipe, Q355nh weather resistant steel plate, Q345B seamless pipe, 16Mn seamless pipe, 20G high-pressure boiler pipe, Q355C seamless steel pipe, special-shaped steel pipe, Q355B steel pipe, Q345E seamless steel pipe, galvanized channel steel, galvanized seamless pipe