1. Materials: Grade1, 2, 5, 6, 7, 9, 12 2. Specification: ASME B16.9, ASTM B363, ASME B16.5, ASTM B861 3. Size: as per customer request 4. Application: Used in petroleum, gas, chemical industry, electric power, metallurgy, pharmacy, shipyard and other similar yield, such as water tank, boiler, heat exchanger unit, absorption type refrigerator, turbo refrigerator and screw refrigerators, Titanium bicycle tube, automobile exhaust pipe, off shore aquaculture.