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Permanent Steel Manufacturing Co.,Ltd has been committed to being a major supplier of quality kinds of stainless steel pipe and alloy steel pipe, numerous types of piping equipments including Bend, Cap, Coupling, Elbow, Reducer, Stub End, Tee, Olet, Joint, Gasket, etc.

Who We Are


Permanent Steel Manufacturing Co.,Ltd has been committed to being a major supplier of quality kinds of stainless steel pipe and alloy steel pipe, numerous types of piping equipments including Bend, Cap, Coupling, Elbow, Reducer, Stub End, Tee, Olet, Joint, Gasket, etc.As a factory,which specializing in the production, processing and sales of various steel pipes and pipe fittings size enterprises, headquartered in Hunan, the production base is located in Shandong and Tianjin. The mill total investment is 1020 million yuan, the total number of employees is more than 500, the proportion of technical personnel exceeds 40%, and the total plant area is more than 100,000 square meters. Our stainless steel products are widely used in high-end ships, chemical/product tankers, refining and chemical engineering, marine engineering, and clean energy fields.


Product Lists


Stainless Steel Pipe Alloy Steel Products

Stainless Steel Pipe 
Stainless Hollow Section
Stainless Steel Flange
Stainless Steel Round Bar
Stainless Steel Sheets,Plates & Coils
Stainless Steel Fittings


Alloy Steel Pipe
Alloy Steel Flange
Alloy Steel Plates
Alloy Steel Buttweld Fittings
Alloy Forged Fittings



Customized service

The Products from Permanent Steel Manufacturing Co.,Ltd are supplied in accordance with appropriate International Standards as well as Customer Specifications in a large variety of steel grades and dimensions. Client specific requirements on execution, tolerances, lengths, mechanical and corrosion properties are offered on request. 



Technical support

Permanent Steel Manufacturing Co.,Ltd on a 250,000 m2 area and has three production units: Foundry, Rolling and Extrusion mills. Permanent Steel Manufacturing Co.,Ltd operates under strict quality, environmental, as well as health and safety management systems, in compliance with ISO 9001, ISO 14001 and OHSAS 18001 standards. The wide product range of Permanent Steel Manufacturing Co.,Ltd meets the requirements of the Unified European standards (EN) as well as BS, DIN, ASTM, JIS standards, or any other specific customer request.