Detailed Product Description cast iron pipewe have seven production lines of double sides submerged arc welded steel pipe,with an annual production capacity of the 219-2520mm steel pipe of 200,000tons we have introduced lincoln jointing machine ,which is hige technologized and improved in...

Detailed Product Description spiral welded we have seven production lines of double sides submerged arc welded steel pipe,with an annual production capacity of the 219-2520mm steel pipe of 200,000tons we have introduced lincoln jointing machine ,which is hige technologized and improved in...

Detailed Product Description api spiral welded steel pipewe have seven production lines of double sides submerged arc welded steel pipe,with an annual production capacity of the 219-2520mm steel pipe of 200,000tons we have introduced lincoln jointing machine ,which is hige technologized and...

Detailed Product Description industrial pipewe have seven production lines of double sides submerged arc welded steel pipe,with an annual production capacity of the 219-2520mm steel pipe of 200,000tons we have introduced lincoln jointing machine ,which is hige technologized and improved in...

Detailed Product Description seamless pipewe have seven production lines of double sides submerged arc welded steel pipe,with an annual production capacity of the 219-2520mm steel pipe of 200,000tons we have introduced lincoln jointing machine ,which is hige technologized and improved in craftwork...

Detailed Product Description steel tubingwe have seven production lines of double sides submerged arc welded steel pipe,with an annual production capacity of the 219-2520mm steel pipe of 200,000tons we have introduced lincoln jointing machine ,which is hige technologized and improved in craftwork...

Detailed Product Description seamless steel pipewe have seven production lines of double sides submerged arc welded steel pipe,with an annual production capacity of the 219-2520mm steel pipe of 200,000tons we have introduced lincoln jointing machine ,which is hige technologized and improved in...

Detailed Product Description alloy tubewe have seven production lines of double sides submerged arc welded steel pipe,with an annual production capacity of the 219-2520mm steel pipe of 200,000tons we have introduced lincoln jointing machine ,which is hige technologized and improved in craftwork...

Detailed Product Description tubing supplierswe have seven production lines of double sides submerged arc welded steel pipe,with an annual production capacity of the 219-2520mm steel pipe of 200,000tons we have introduced lincoln jointing machine ,which is hige technologized and improved in...

Detailed Product Description pipes and tubeswe have seven production lines of double sides submerged arc welded steel pipe,with an annual production capacity of the 219-2520mm steel pipe of 200,000tons we have introduced lincoln jointing machine ,which is hige technologized and improved in...