Dimensions: length from100mm to 15000mm, diameter from 50mm to 2000mm. Weight: 5-50000kgs/piece. Metal alloy structure steels Description of product: 1) This sort of product is manufactured and inspected according to national standardsuchas GB/t6402-91, JB4730-2000 and JB/T5000.8-1998. 2) Our factory has ability to make products with dimension ≤2000mm, length ≤15mand per piece≤50T3) Process: ...