Shanghai Qiongfa Trade

Pipes, tubes, ducts and pipelines, steel, Metal pipework, valves and containers, Construction, Pipes and tubes, ferrous, for sewage, Pipes and tubes, steel, for gas, water and steam, Pipes and tubes, steel, for the oil industry, Pipes and tubes, stainless steel, Pipes and tubes, ferrous, for irrigation, Pipes and tubes, stainless steel, seamless, Pipes, tubes, ducts and pipelines, ferrous metals, by use