... , ASTM, RoHS 4. Good technology, good services Air conditioner parts Our Advantages:We are supplier for 15 well-known ... argon arc welding, assembling, laser welding, laser cutting, heat treatment.Surface treatmentAll kinds of surface treatment is available. ... plated, electrophoresis, dacromet, powder painting etc. Appearance part with 100% inspection.EquipmentWe have 20 sets punching machines, more ...