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HAINER STEEL INDUSTRIAL CO., LIMITED – ISO, API, SGS, BV certified manufacturer of high-precision stainless steel seamless pipes, food-grade tubing, heat exchanger tubes, and industrial fittings. Trusted by global partners in oil, gas, chemical, and food processing industries.
Manufactured to ASTM, DIN, JIS, and API standards
HAINER STEEL INDUSTRIAL CO., LIMITED was established on October 6, 2016, building on 15 years of domestic stainless steel market experience. We now serve international markets across Pakistan, Jordan, UAE, and beyond.
Our sister company, WENZHOU HAINER STEEL TECH. CO., LTD, founded in 2010, specializes in seamless & welded stainless steel pipes, pipe fittings, boiler tubes, and heat exchanger solutions. We are committed to quality, innovation, and customer satisfaction.
High-precision stainless steel products engineered for durability, corrosion resistance, and performance in extreme environments.
310S/304/316, Black & Bright Surface, ASTM/AISI/JIS/DIN Standard
ASTM A240, 304, 310S, 316L – 0.2mm to 115mm Thickness
8mm Diameter, ISO/SGS/BV Certified
Annealed, ASTM Standard, S32103/S31603/S30403
Seamless Oval Tube, 201/304/316L, 100–300mm OD
AISI 201/202/304, ASTM A240, No.1 to 8K Finish
Hot Rolled / Cold Drawn, 3" OD, for Petroleum
AISI 304 ERW, 20" Diameter, Annealed
API, ISO, PED, SGS, BV, RoHS certified. Full traceability and inspection reports available.
Engineered for oil, gas, chemical, food processing, and power generation industries.
Serving clients in Pakistan, Jordan, UAE, Europe, and North America with reliable logistics.
Cold drawn, hot rolled, annealed, pickled – tight tolerances and consistent quality.
Our products comply with ASTM, API 5L, DIN, JIS, GOST, and ISO standards. Specific certifications include API 5L PLS1/PLS2, ASTM A312, A269, A213, and more.
Yes, we provide customized solutions including cold-rolled sheets, elliptical tubes, and special finishes like 6K/8K mirror polish, hairline, and BA finish.
We operate advanced rolling, welding, and heat treatment lines with scalable output to meet large-volume international orders efficiently.
We implement a 3-stage inspection process: raw material testing, in-process checks, and final third-party verification (SGS/BV) before shipment.
For inquiries, quotes, or technical support, visit our official website to connect with our global sales team.
Company: HAINER STEEL INDUSTRIAL CO., LIMITED
Address: No. 2503 Room, 3B Building, ShiFu Road, LuCheng District, Wenzhou City, China
Phone: 86-577-8607-7653 (Working Hours)
Fax: 86-577-8607-7653
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