an provide customized solutions according to customers' specific needs, including product material selection, specification customization, special performance requirements, surface treatment and coating, technical support and testing, etc.

Committed to providing high-quality forgings and solutions for customers. Our product range is extensive, covering various regular forgings.

We specialize in offering large size and fabricated stainless steel pipe fittings, including flange, tee, elbow, reducer etc,.

Ronsco is proud to deliver nickel alloy and stainless steel pipe to each customer’s exact specifications. The raw material are from Baosteel, the large-scale wholly state-owned company.

Specializing in stainless steel coil with various materials. We also equipped specialized slitting machines to meet specific customer requirements for dimensions and quality, from slit widths and edge quality to specific winding requirements.

The rolling production line has annual output of 30,000 tons in the nickel alloy and stainless steel plate. At the same time, the company keep regular stock of 3000 tons coils and plates from TISCO, POSCO, TSINGSHAN, DELONG Etc.

As a supplier with more than 27 years of experience in the nickel alloy and stainless steel bar, can take small-lot through to large-lot orders.

Thickness from 0.3mm to 30mm, and width from 150mm to 2000mm.

Electropolished Stainless Steel Tubing is used for biotechnology, semiconductor and in pharmaceutical applications.

We can offer stainless steel pipe fittings according to ASME, EN, ISO and DIN standards. We specialize in manufacturing large size and fabricated stainless steel pipe fittings (upto 48”).

Pipe sizes range from 1/8”NB (Nominal Bore Diameter, ie the inner diameter of the pipe) to 30”NB.

With a variety of grades, including 15-5, 17-4, 304, 316, Inconel 718, Inconel 600/601/625, Hastelloy C276, our stock lengths can be customized for your applications by sawing, punching, drilling, milling, welding, and bending.

Sizes our ss pipe sizes range from 6mm to 1219mm ( NPS 1/4”-DN15 to NPS 48”-DN1200) outside diameter with a full pipes schedules ranging from sch5S to sch40S.

Sizes range from 12mm to 813mm ( NPS 1/4”-DN8 to NPS 32”-DN800) outside diameter with a full pipes schedules ranging from sch5S through double extra heavy.

Hunan Allianz Metal Products Co., LTD is a subsidiary company of Allianz Steel Group

Ronsco is an explorer of precision products of special metal materials under the new trend of new materials, new technology, new application and new challenging environment in the 21st century.

Hunan Allianz aims at "provide unique value for customers"