Business scope: Chemical Products,
Building Materials,
Auto Parts,
Processing,
Sale,
Sale,
Oilfield Engineering Technical Services,
Steel Pipe Processing,
Insulated Pipe,
Short Section,
Tubing,
Coupling,
Pipeline Inspection Services,
Rubber Products,
Metal Surface Treatment,
R D And Sales,
Oil Drilling Equipment,
Anti Corrosion And Thermal Insulation Engineering Construction,
Line Pipe,
Metallurgical Charge,
...