Detailed Product Description API metal 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 metal 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 strictly adhering to ISO9001:2000stanards,our company established quality management system.we have also setted down control processses from the material purchase to the entire production.and also the inspection,development of the product,service after sales,which make...