... ASTM, RHOS standard 2. Integrity of attitude, good technology,good services3. On time delivery4. OEM service and ... Subsequent processing Drilling, tapping, riveting, point welding, argon arc welding, assembling, laser welding, laser cutting, heat treatment. Surface treatment All kinds ... one-stop services. “Integrity of attitude, good technology,good services”.OEM services are available in our factory ...