HomeSupplier Discoveryarrow-rightMetallurgy, Mineral & Energyarrow-rightSteel Pipe & Tubearrow-rightQ345 Rectangular Hollow Section Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
No.of Employees
Province & Region
More
about q345 rectangular hollow section
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

q345 rectangular hollow section100+ factories verified

Tianjin Tianyingtai Steel Pipe Co., Ltd.

Main Products:
Galvanized Pipe, Scaffolding Shoring Props, ERW Welded Steel Pipe, Black Square Tube, Hollow Section, API Pipe, Angle Steel, Galvanized Sheet/Plate, Channel Steel, Beam
Country/Region:
Tianjin, China
Sample Service:
Sample Available
Company Profile:
Tianjin TianYingTai(TYT) Steel Pipe Co., Ltd is located in Jinghai, Tianjin, which is professionally engaged in steel production sales, steel processing, greenhouse engineering with accessories and export business. It has been experienced for 18 years so far. We have 13 production lines for various kinds of steel pipe, 10 processing production lines and 2 environmental production hot-dipped galvanizing lines. We not only can produce 450, 000 tons of various sizes of pre-galvanized steel pipe, but also can produce deep processing pipe with 100, 000 tons. Our annual production capacity of hot dipped galvanized steel pipe is 200, 000 tons, capacity of greenhouse engineering material is 250, 000 tons and highway column and guardrail is 200, 000 tons.

Tangshan Yanfang Trade Co., Ltd

6 yrs
·Trading Company
Main Products:
Hot Rolled Strip, Hot Rolled Coil
Country/Region:
Hebei, China
R&D Capacity:
OEM Service
Company Profile:
Angshan Yanfang Trading Co., Ltd. is located in Tangshan, China's key iron and steel hub - home to the largest port in North China.   With over 11 years of export experience in the steel industry, Yanfang has partnered with 18 overseas clients, helping them rank among the top five in their local markets.   The company mainly deals in steel coils, steel plates, galvanized steel coils, cold-rolled steel coils, steel pipes, galvanized steel pipes, Steel Profile, sheet metal stamping parts and machining services.

Qingdao Wanrunda Imp and Exp Co., Ltd.

Main Products:
Galvanized Steel Pipe, Steel Hollow Section, Angle Steel, Galvanized Steel Coil, Steel Hanger Strap Fha Strap Nail Boca Plate, Fha Strap, Channel Steel, Stainless Steel Coil, Steel Plate, Stainless Steel Pipe
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
QINGDAO WANRUNDA IMP AND EXP Co., Ltd locates at Qingdao city- The third big sea port in China. We are the first-level agent of several large steel mills. Operations include low-carbon steel, stainless steel, alloy steel and other steel products. For example, angle steel, steel pipe, steel plate, steel coil, section steel, etc.

Shandong Heng Steel Group Co., Ltd.

5.0
Main Products:
Galvanized Steel Coil/Sheet/Strip, Galvalume Steel Coil/Sheet/Strip, PPGI/PPGL Corrugated Steel Sheet, PPGI/PPGL Steel Coil, Alloy Steel Plate, Wear Resistant Steel Plate, Weather Resistant Steel Plate, Boiler and Pressure Vessel Steel Plate, Mild Steel Plate, Shipbuilding Steel Plate
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Heng Steel Group, which is a large Iron & Steel Enterprise in the center of China, was established in 2005. There are four iron & Steel enterprise in China. We mainly produce coating products and various steel plate.

Liaocheng Xinruyi Trading Co., LTD.

5.0
Main Products:
Seamless Steel Pipe, Steel Plate, Hot Rolled Steel Round Bar, Hot Forged Shaft, Self Drilling Anchor, Steel Storage Shelf, Steel Blocks, Steel Rock Bolt, Aluminum Alloy, Stainless Steel
Country/Region:
Shandong, China
Sample Service:
Sample Available
Company Profile:
Shandong Liaocheng Xinruyi Steel Plant, built in year 2017 with registered capital of 30, 000, 000RMB, and we have been in the steel products industries for more than 15 years. The company is located in Liaocheng City, next to capital of Shandong Province, and it enjoy good transportation environment of 3 hours to nearest port and 1 hour reaching the airport.

TIANJIN FRIEND STEEL TUBE CO., LTD.

18 yrs·4.0
·Manufacturer/Factory & Trading Company
Main Products:
Steel pipe and scaffold
Country/Region:
Tianjin, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Tianjin Friend Steel Group with "TFCO" Brand has 5 subsidiary compainies include Tianjin Friend Steel Pipe Co., Ltd. Tianjin Steel Galvanization Co., Ltd. Tianjin Friend Metal Material Co., Ltd. Tianjin Friend Import&Export Co., Ltd. Tianjin Steel Import&Export Co., Ltd. Built in 1999 with registered capital of RMB 30 million, we have an annual production capacity of 400, 000 MT and exporting quatity of 60, 000MT.

Hongye Steel (Shandong) Co., Ltd.

5 yrs·5.0
·Trading Company
Main Products:
Seamless steel pipe, welded pipe, steel support frame.
Country/Region:
Shandong, China
Sample Service:
Sample Available
Company Profile:
Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

Tianjin Xuboyuan Iron & Steel Trading Co., Ltd.

18 yrs
·Trading Company
Main Products:
Steel Pipe Steel Tube Square Pipe, Galvanzied Steel Coil, Galvanzied Steel Plate Steel Sheet, PPGI Coil Prepainted Steel Coil PPGL Coil, Flat Bar Round Bar, Rebar Deformed Bar, Galvanzied Steel Pipe Pregalvanzied Steel Pipe, Steel Wire PC Wire Galvanized Steel Wire, Stainless Steel Pipe Stainless Plate, Checkered Steel Plate Corrugated Plate
Country/Region:
Tianjin, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Tianjin Xuboyuan Iron & Steel Trading Co., Ltd is one of the China's top 10 steel enterprise with annual export exceed USD18, 000, 000. <br/><br/>For the last 6 years it has LED the Asia steel industry as a leading steel manufacturer and export company and today ranks as the most trusted China iron and steel maker, importer and exporter with presence for Our productsin 30 countries. <br/><br/>The market of XBY ranges from high cost steel products to that of the lowest in the field of steel products. Then cooperation provides integrated sales and service plans for steel factories and customers, and provide more considerate service for both upstream and down stream factories in the industry bsed on large scale effects. <br/><br/>We have flexible and various trading forms. Its main aimed service target is endcustomers, with distribution in addition. The main aimed mrket of the XBY is the Middle East, and extend to that of globe. <br/><br/>XBY provides steel trade, storage, process, delier and transport service, and form a complete set in all the link, and try to find increment point for customers by optimized logistics, so that customers can enjoy the service at ease. <br/><br/>The market of XBY ranges from high cost steel products to that of the lowest in the field of steel products, and emphasizes on wholesale and service for big customers. And it has strong resource stock capacity. It stock and sales goods in global scale, and has good cooperation with amost all steel mill in China and famous international trading company. <br/><br/>The sales network of XBY covered all around the world. The group possesses more than 20 subsidiary companiesthat provide integrated sales and service for both upstream and down stream fatories in the industry based on large-scale effects. <br/><br/>Our company wholesales all kinds of steels: Steel pipe: Black pipe, Galvanized steel pipe, Round pipe, Square pipe, Rectangular pipe, Spiral pipe, etc; Steel sheet/coil: Hot/Cold rolled steel sheet/ coil, Galvanized steel sheets/coil, PPGI, checkered sheet, corrugated steel sheet, etc; Steel beam: Angle beam, H beam, I beam, C lipped channel, U channel, Deformed bar, Round bar, Square bar, Cold drawn steel bar, . Products are used in liquid transportation, oil and gas, industrial and civil construction, agriculture and transportation facilities, etc. We specialize in steel products for several years with the strength of fast delivery time, good quality and competitive price. If there is any need please do not hesitate to contact with us anytime.

Shandong Baotai Steel Co., Ltd.

6 yrs
·Trading Company
Main Products:
Section Steel Galvanized Steel Coil, PPGI, Corrugated Sheet, Stainless Steel Coil, Stainless Steel Pipe, Sheet Pile, Ductile Iron Pipe, Carbon Steel Sheet, Carbon Steel Pipe, Aluminum and Copper
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Baotai Steel Co., Ltd. is located in Jinan, the capital of Shandong Province. Mainly produce stainless steel, carbon steel, galvanized steel, PP G I, PP G L. Our team has been dedicated to the steel industry for 20 years. The company has established long-term and close cooperative relations with well-known domestic iron and steel enterprises. At the same time, the company's annual stock reserve exceeds 200, 000 tons, which can guarantee a short delivery time. Baotai Steel provides services to domestic government construction projects, Chinese listed companies and state-owned enterprises and other large enterprises. At the same time, Baotai Steel has long-term cooperative relations with many countries in Russia, the Middle East, Southeast Asia, South Africa, South America and other regions. With high-quality products, low prices and high-quality services, it has been highly praised by customers. Customers from different countries signed agency agreements with Baotai Iron and Steel and became Baotai Iron and Steel's agents. Baotai Steel's service team provides you with professional and high-quality services online 24 hours a day. At the same time, Baotai Steel also insists on customer-centric win-win, and looks forward to becoming a high-quality enterprise you can trust.

TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.

9 yrs·5.0
Main Products:
Steel Tube/Pipe, Solar Steel Brackets/Accessories, Steel Coil/Sheet, Steel Nail, Pet Iron Cage, Roofing Sheet, Hose Clamps, Angle Bar, Fence Post, Pipe Fitting
Country/Region:
Tianjin, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Tianjin Shengteng International Trade Co., Ltd, which is located in the steel production base of Yangjiayuan Village, Tianjin city, China. Products mainly including PV Mounting systems, Scaffolding steel prop, Galvanized steel pipe, ERW steel pipe, Square/Rectangular steel pipe, Seamless steel pipe, Galvanized steel coil/sheet, Galvanized Corrugated sheet, weldinng all kinds of pet iron cage, steel wire, iron nails, and support OEM service.

Hunan Hengan Weiye Metal Products Co., Ltd.

5 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Steel Pipe
Country/Region:
Hunan, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
After 20 years of development, HengAn Weiye Steel Group has become a leading enterprise in the industry with is own brand and several patents. In year 2022, Hunan HengAn Weiye Metal Products Co, Ltd was established to pave the way for extended processing and international trade of metal products. The company has over 10000 tons of stock and processing bases in Guangzhou, Tianjin, Hubei and Shandong, Jiangsu and Zhejiang.

Union Steel Industry Co., Ltd.

4 yrs
·Trading Company
Main Products:
Steel Pipe, Seamless Steel Pipe
Country/Region:
Hunan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Union Steel Industry Co., Ltd as member of United Steel Industry Group, specialized in steel pipe and pipe fittings designing, manufacturing, stocking and exporting in China. As one of the leading manufacturer of steel pipe products in China, Union Steel Industry Co., Ltd are committed to providing one-stop service to customers around the world.

Hebei Rongbao Import and Export Trade Co., Ltd

11 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Welded Steel Pipe, Galvanized Round Pipe, Cold Roll Steel Coil, Hot Roll Steel Coil
Country/Region:
Hebei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hebei Rongbao import and export trade Co., Ltd is a specializing in the equipment manufacturing field. Our main products include square tubes, round tubes, rectangular tubes, high-density steel tubes and precision steel tubes etc. These products, with their outstanding quality, are widely used in various fields such as construction, mechanical manufacturing, automotive industry and energy, and are highly trusted and praised by customers. We has its own stainless steel research and development department, production department and selling department.

Shandong Zhuosheng Steel Limited

5 yrs
·Trading Company
Main Products:
Steel
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Zhuosheng Co., Ltd. Has a large inventory of products - carbon steel, galvanized, aluminum zinc, stainless steel, ductile iron pipes, oil sleeves, I-beams, angle steels, channel steels, steel rails, steel bars, steel sheet piles, tinplate, etc., which can meet your various needs.

Jinan Zunkai Materials Co., Ltd.

11 yrs·5.0
·Trading Company
Main Products:
Roofing Sheet, Galvanized Steel, Galvalume Steel, Steel Plate, PPGI, H Beam, Angle Steel, Stainless Steel, Hot Steel Coil, Cold Steel Coil, Silicon Steel
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jinan Zunkai Materials Co., Ltd belongs to the Jinan Zunkai Group. Jinan Zunkai Group founded in 2008, with five branch companies and is well-funded. Our annual sales nearly one billion, about 300, 000 tons steel.

JINAN XINCHENGYUAN IMPORT AND EXPORT CO.,LTD

Main Products:
Stainless Steel, Galvanized Galvalume Steel Coil, Carbon Steel, PPGI/PPGL, Steel Pipe, Steel Plate, H Beam, Aluminum Sheet
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Shandong Xinchengyuan Import and Export Co., Ltd is a professional steel company engaged in the research, development, production, sale and service. It had five branch companies. Our annual sales nearly one billion, about 280, 000 tons steel, It is located in Jinan with the convenient transportation access. In line with the development concept of quality conquer the world, service achievement future. We dedicate to strict quality control and thoughtful customer service, and our experienced staff members are always available to discuss your requirements and ensure every customer satisfaction. Our main products include PPGI, galvanized steel, steel plate, round bar, steel pipe, Stainless steel product, angle bar, steel pile, H beam, I beam, angle, Channel flat steel etc. With double guarantee of service and management system. Main market distributes in North America, South America, Africa, Southeast Asia as well as Oceania. We have established long-term and win-win partnership with many large steel manufacturers, such as Baosteel, Laiwu Steel, Rizhao Steel, Handan Iron and Steel, Angang and Maanshan Iron and Steel. We always foucesed on the intergration of reasources, in line with the concept of win win cooperation. Sincerely wish to build a long and regular business with you forever.

Tianjin Youfa International Trade Co., Ltd.

14 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Carbon Steel Pipe, Galvanized Steel Pipe, Stainless Steel Pipe, Scaffolding, Pipe Fitting
Country/Region:
Tianjin, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Tianjin Youfa International Trade Co., Ltd. is the subsidiary of Tianjin Youfa Group. As one of the windows for international business, we mainly focus on exploring overseas markets as well as developing and offering service for major domestic clients. Tianjin Youfa Group is a comprehensive steel-based enterprise, the business includes steel-making, steel strip, straight seam welded pipe, galvanized pipe, rectangular pipe, spiral pipe, plastic inner-lined pipe, seamless pipe, covered electrode, so on and so forth. The annual integrate production capacity amounts to 7.5 million tons. Since 2006, we have been one of the leading corporations in Chinese Top-500. What is more, Youfa Group is the largest straight-seam welded pipe manufacturer in China. In 2008, "YouFa" Brand was regarded as the "Well-known Chinese Trademark" by Trademark Office State Administration for Industry &Commerce of the People's Republic of China. Meanwhile, we are the first-class supplier for CNPC, Sinopec and some big relevant companies. So as to adapt to the overall-developing strategy, at the beginning of 2010, YouFa Group and its subsidiaries founded SIANO(Beijing) Steel Co., Ltd, which is responsible for the import &export business, building business contact with some influential companies and providing the after-sale service for our customers.

TIANJIN BOER KING STEEL CO., LIMITED

Main Products:
Seamless Steel Pipe, Boiler Tube, Casing/Drill Pipe, Alloy Steel Pipe, Gas Cylinder Tube, Oil Line Steel Pipe, 3PE/2PE Steel Pipe, Stainless Steel Pipe
Country/Region:
Tianjin, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Tianjin Boer King Steel Co., Ltd. Locates in the Shuang Gang industrial zone of Jinnan district 36km away from tianjin port. 6km away from tianjin airport, 40km away from train station.

TXD Steel Group Co., Ltd.

Main Products:
Galvanized Steel, Galvalume Steel, PPGI Steel, PPGL Steel, Stainless Steel, Roofing Sheet, Steel Sections, Steel Pipes
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
TXD Steel Group Co., Ltd. is a professional and comprehensive steel export enterprise integrating production, processing, international trade and logistics services. Headquartered in Jinan, China, we have established wholly-owned subsidiaries in Guangzhou, Suzhou and Egypt, forming a complete domestic and international operation network that covers production coordination, market development and localized service. With years of deep cultivation in the steel industry, we have built a stable and reliable global supply system and won high recognition from customers around the world.

LIAOCHENG HUAJIAN STEEL CO., LTD.

15 yrs·5.0
Main Products:
Wear Resistance Steel Plate, Round Bar, Seamless Steel Pipe, Hot Rolled Steel Plate, Ms Checkered Steel Plate, Square &Rectangular Tube, Galvanized & Carbon Steel Round Pipe, H Beam, Angle, Channel
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Liaocheng Huajian Steel Co., Ltd is located in Liaocheng, Shandong Province, which is known as "the Water City of Jiangbei", and our company was established in the year 2012, and the registered capital is 101, 0000 RMB, we are a modern private enterprises which are specialized and exporting steel materials in China and win high reputations from our customers.

Tianjin.Goldensun Import & Export Co., Ltd.

19 yrs
·Trading Company
Main Products:
Galvanized Steel Pipe, Steel Pipe, Steel Tube, Cold Bend Steel Profile, Iron Nails, Iron Wire, Roofing Sheet, Galvanized Coil, PPGI Coil, Hot Steel Plate
Country/Region:
Tianjin, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Bazhou GY steel pipe factory was tablished in 2005, mainly engaged in black steel pipe, galvanized steel pipe, cold bend steel profile, roofing sheet, roofing nails, concrete nails, iron nails, black wire, galvanized wire, galvanized steel sheet, hot rolled steel plate, checkered steel plate, scaffolding ladder, machine, etc. Our factory are covering more than 100, 000 square meters area, with the eight world-class steel tube production lines, we can produce over 500, 000MT of tubes annually in ASTM, DIN, BS, GB and other industrial standards. Equipped with first-class facilities for ERW tubing mills, our products&prime; Quality is fully guaranteed. While our products have also been approved by the third party inspectors such as SGS, BV and COTECNA. We stick to the principle of quality first, service first, continuous improvementAnd innovation to meet the customers for the management and zero defect, zero complaints as the quality objective. To perfect our service, we make our products with good quality at the reasonable price.

Shaanxi Chengxin Yongsheng Metal Co., Ltd.

7 yrs·5.0
·Trading Company
Main Products:
Stainless Steel Coil, Stainless Steel Plate, Stainless Steel Sheet, Stainless Steel Strip, Stainless Steel Pipe, 304 Steel Coil, 304 Stainless Steel Plate, Stainless Steel Flange, Stainless Steel Bar
Country/Region:
Shaanxi, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shaanxi Chengxin Yongsheng Metal Co., Ltd. Was established in 2010, covers an area of 80000 square meters with abundant capital, advanced equipment, supply full, convenient transportation, and currently employs nearly 120 people. The company specializes in the production of stainless steeel bar, stainless steel coil, stainless steel plate, stainless steel tubes, stainless steel rods, and other stainless steel profiles. In addition, it also produces various alloy steel material. The main materials of the company's products are TP304/304L, TP316/316L, TP321, 310S, 904L, S31803, 2520Si2, Monel400, etc.

Shandong Baotai Metal Materials Group Co., Ltd.

Main Products:
Steel Coil, Steel Sheet, Carbon Steel. Rebar, H Beam, Copper
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Baotai Metal Materials Group Co., Ltd. Has been focusing on steel industry for over 15 years. It mainly deals in steel sections, carbon steel, galvanized steel, PPGI, ductile iron pipesetc. The company's annual inventory exceeds 200, 000 tons. The company maintains close cooperation with major well-known domestic steel mills and has signed long-term cooperation agreements with many shipping companies to achieve one-stop and considerate service from manufacturing to customers. Baotai Metal looks forward to working with you for a win-win situation!

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.

Tianjin Hongxin International Trade Co., Ltd.

Main Products:
Black Steel Pipe, Galvanized Steel Pipe, Gi Coil PPGI
Country/Region:
Tianjin, China
Sample Service:
Sample Available
Company Profile:
Our company was founded in 2000, is a comprehensive steel manufacturer integrating production, processing and trade all in one. The company's premises are located in the place of industry strategic importance in Shengfang of Hebei Province. Enjoying the convenient traffic and occupying an advantageous location, the company covers an area of 30, 000 square meters, construction area of 7, 500 square meters, more than 200 employees. Our company now owns 15 ERW steel pipe production lines and 6 special precision steel pipe production lines., and can reach the annual production capacity of 1000, 000 tons.

Tianjin Jinnuo Steel Pipe Co., Ltd.

19 yrs
·Manufacturer/Factory & Trading Company
Main Products:
ERW steel pipe, Galvanized steel pipe, Seamless steel pipe, Steel plate
Country/Region:
Tianjin, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our business has a situation here - all of our customers are brand. They are famous and well accepted by local customer. They commit to their consumer value. They are loved by people and never fail their expectation. Although they could be all different, they have one thing in common - they work with us.

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
15