... well-known Japanese companies for more than 6 years. For example: RYOBI, SHINWA, PANASONIC. 1. ISO, ASTM, RoHS ... stamping part. electrode. Business Scope Design and manufacture of metal stamping products, stamping mould and automation equipment, ... welding, laser cutting, heat treatment. Surface treatment All kinds of surface treatment is available. Zinc plated, chromated plated, electrophoresis ...