big diameter square pipe800+ factories verified

ZHEJIANG ZHONG DING IRON AND STEEL Co., Ltd is a large-scale enterprise integrating production, sales and trade. The company now has 8 hot-rolling piercing production lines and 30 cold-rolling unit production lines, with a production range of 10mm-219mm, wall thickness 0.5mm-22mm, tolerance range of +-2 wire precision steel pipes, and an annual inventory of more than 8, 000 tons of precision bright tubes; Advanced There are 6 double-sided submerged arc welded spiral steel pipe production lines, which can produce double-sided submerged arc welded spiral steel pipes with a diameter of 219-3620mm and a wall thickness of 6-30mm. The annual production of spiral pipes is more than 200, 000 tons and is trusted by the majority of the industry.

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.

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.

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.

WE BOER KING STEEL GROUP(Tianjin Boer King Steel Import and Export Co., Ltd )LOCATED IN SHUANGGANGINDUSTRIAL ZONE, JINNAN DISTRICT, TIANJIN, China. 30KM AWAY FROM TIANJIN XINGANG PORT, 8KM AWAY FROM TIANJIN AIRPORT.

Your Trusted Partner in Metal Piping Solutions

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.

Shanghai ALI-MAMA STEEL TRADING COMPANY. Known as Ali-Steel, pioneered in 2020, based in Shanghai, ALI-STEEL is a professional one-stop steel products supplier. Our business philosophy is"keep improving & win-win cooperation". We furnish best steel and strict quality management, perfect after-sales services, reasonable product prices, good customer reputation as we have faith in integrity of the our business philosophy. We realize the common development of customers, employees and enterprises. We have won trust and support of customers from all over the world. Selling steel all over China and mainly exported to South America, Southeast Asia, Middle East, South Africa, Australia and many more. Our company's main products: VARIOUS CARBON STEEL AND STAINLESS STEEL PIPE AND FITTING, STEEL CONSTRUCTION FABRICATION AND PRODUCTS, Metal including ERW steel pipe, LSAW STEEL pipe and SSAW STEEL pipe, Seamless steel pipe and galvanized Zinc steel pipe, square and rectangular steel pipe, steel plates and steel billets.

Company Profile:

Jiangsu Hengshuntai Steel Co., Ltd. is a stainless steel/alloy factory engaged in the researching, stocking, sale and service of stainless steel coils, stainless steel sheet, stainless steel pipes, stainless steel profile, stainless steel bar, alloy steel products.

Our factory is located in Wuxi city, Jiangsu China, which is near to Shanghai

SHANDONG JUHUO SPECIAL STEEL Co., Ltd.

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.

Shandong Ruida Steel Co., Ltd. is a large privately operated steel manufacture was founded 2021, located in Xingfu Economic Development Zone, county, which is the largeststeelcenter for black and white iron manufacture with convenient transportation, like Jidong Railway and National Highway 205 passing through and Jinan-Qingdao Expressway and Binzhou-Zibo Expressway connecting, less than 200 km away from Tianjin Port, Qingdao Port, Qingdao Airport, and Jinan Airport.

Jinan JiuJin Steel Co., Ltd is a leading manufacturer of private owned steel company. We have passed ISO9001 certificate and CE certificate. Our main products are seamless steel pipe, welded steel pipe, galvanized steel pipe, precision steel pipe, SHS&RHS steel pipe, pre-insulation steel pipe, alloy steel pipe, carbon steel plate, galvanized steel plate, alloy steel plate, cold rolled steel bar, carbon steel bar, alloy steel bar, galvanized steel bar, PPGI, PPGL etc. According to American standards ASTM, Japanese standards JIS, German standards DIN, British standards BS and other standards.

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

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

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.

Liaocheng Xinglong Seamless pipe Manufacturing Co., Ltd is founded in 2004, Covering an area of 15000 square meter. And the total asset is above 250 million Yuan. There are 850 staff members including 180 technicians in our company. Annual output is 60, 000 tons. We also establish an effective complete quality control system. In 2006, our company obtained the authorization of ISO9001 Quality System. And it started to run in accordance with API 5L and API 5CT in 2009.

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.

Established in 2007, Tianjin Tiangang Weiye Steel Tube Co., Ltd. is located in Tianjin Beichen District. We are one of the biggest steel products supplier by the Coast of Bohai Sea. Tianjin has Already formed a three-dimensional comprehensive transportation network. Our geographical Position is superior and transportation is very convenient.

Specialist Alloys When Integrity Is Essential.

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.

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.

History:

Hebei Weishi New Materials Co., Ltd is headquartered in Zaoqiang County Industrial Park, Hebei Province.It is a national high-tech enterprise group integrating the design, research and development, manufacturing, sales and comprehensive technical services of high-end composite materials and new materials.

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.

For over 15 years, Shandong Ying Yi Import & Export Co., Ltd. Has stood at the forefront of copper product manufacturing and international distribution. We specialize in comprehensive product lines including insulated copper pipes, air conditioner connecting pipes, air conditioner copper tube, copper plates, Copper strips, Copper bars, and Copper sheets - all engineered to exacting international standards for critical applications across refrigeration systems, HVAC, power transmission, electrical engineering, shipbuilding, mechanical manufacturing, and rail infrastructure etc.

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.

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.