DONGGUAN TONJA Industrial CO.LTD is a comprehensive companies with sheet metal processing, spraying, and assembly to a whole collection. It can provide customized sheet metal solutions for customers with the comprehensive quality management system and a professional technical team.The products of TONJA are widely used in industries such as electronics, communication, medical, automotive, and machinery with various sheet metal parts like cabinets, chassis, racks, casings, and panels. They have won unanimous recognition from customers as the beauty, durability, and stability, and others characteristics of these products.