タイトルまたは説明

The products includes: the tubes for structural purpose, fluid transportation tubes, the compo tubes, the heterogeneous tubes, the boiler tubes, tubes for hydraulic cylinders, the tubes for bearing, the tubes for petroleum well, and so on. The above products are widely used in the metallurgy, the chemical industry, freezes, the boiler and the pressure vessel manufacture , the town gas pipeline, the military production, machine manufacture; Coal mine hydraulic pressure prop, car loader and other mechanical fluid compressed steel body; All kinds of bearing inside and outside ferrule, petroleum casing and oil well drill rod, and so on.