... -426mm OD: 4-16mm 4. Length: 6m, 9m, 12m, and the size according the customer needs. 5. Technique: ERW (electric ... pressure fluid transportation pipeline 2). Boiler Pipe, 3.) Petroleum and natural gas industry, 4). Chemistry industry, 5). Electric industry, 6). ... Drainage project, 7). City construction, 8). Low and middle pressure boiler pipeline 10. Package: Bags, in bundle, containers ...