Besides what mentioned above, there are also some machines needed such as steel pipe rust removing machine, OCTG pipe color ring banding machine, OCTG pipe coupling machine, etc.http://www.westwu-machine.com/....api-pipe-production-
Besides what mentioned above, there are also some machines needed such as steel pipe rust removing machine, OCTG pipe color ring banding machine, OCTG pipe coupling machine, etc.http://www.westwu-machine.com/....api-pipe-production-