Zhonghai Steel Pipe Manufacturing Oc., Ltd

My company to ISO9001-2000 international quality management system as the foundation stone, and through the American petroleum institute API 5 L the a

1. Standard: API 5L Gr. B/ ASTM A53/A106 Gr. B 2. Material: Grade B & Q345 & X42 & X52 & X60 & X70 3. Process Method: Cold drawn or hot rolle

We specialize in this field for several years with the large seamless steel pipe (1/2-36) , with the good quality and competitive and lower price.

We are a factory specializing in manufacture and export of seamless pipe! We can supply the products with better quality and lower price because we ha

We are a factory specializing in manufacture and export of seamless pipe! We can supply the products with better quality and lower price because we ha

We specialize in this field for several years with the large seamless steel pipe (1/2-36) , with the good quality and competitive and lower price.

We specialize in this field for several years with the large seamless steel pipe (1/2-36) , with the good quality and competitive and lower price.

We can supply the products with better quality and lower price because we have the following certificate: API 5L/ISO/CE/BV/CCS etc.

01. Process method: cold drawn/cold pilger. 02. Surface finish: annealed/ cold pilger. 03. Material: S31803, 304, 304L, 310/S, 316/316L/316Ti DUAL G

). Standards: GB, ASTM, DIN, API, etc; 2). Material:10#, 20#, Q235, Q 345, 16Mn, A53A, A53B, A106, etc; 3). Specifications: OD: 3'' to 26