Detailed Product Description API Steelwe 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 API oil pipe supplierwe 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 steel 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...

Detailed Product Description API small 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...

Detailed Product Description API oil 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 API bending 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...

Detailed Product Description plate steelwe 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 API plate steelwe 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 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 API 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...