Specification: CROSSOVER 4 1/16"10K PSI X 2 1/16"10K PSI API 6A STANDARD, H2S SERVICE RATED. CROSSOVER 90DEGREE ELBOW 2 1/16"X 2 1/16" 10K PSI APL 6A STANDARD. H2S SERVICE RATED. Vigor team manu...
Amorphous Nicklbased Titanium Electric Plation Technology Amorphous nickel-based tungsten alloy plating process is aim at the surface corrosion-resistance and wear-resistance area of Petroleum Mac...