Custom Precision Sheet Metal Fabrication 

DONGGUAN TONJA Industrial CO.LTD is a professional enterprise engaged in sheet metal processing, with years of production experience and advanced equipment, able to provide customers with high-quality sheet metal parts.  TONJA sheet metal processing technology includes riveting, spin riveting, pull riveting, etc., which can achieve reliable connection and beautiful appearance of sheet metal parts.  TONJA sheet metal parts are widely used in electronic, communication, mechanical, automotive, medical and other fields, and have received unanimous praise from customers. TONJA has a Taiwan, China brand multi axis tapping machine * 1, 200T four axis oil press, automatic feed rivet machine and other high-precision complete sheet metal production equipment.