Shanghai DE Mechanical Parts Co., Ltd. is your machinery parts specialist in machine gears, hardware, investment casting supply. We provide OEM & ODM services for Helical Gears, Bevel Gears, Spur Gears, Double Helical Gears, Die Casting, Lost Wax Casting, etc, with various materials for your choose including A357, E357, C355, 390, A356, B356, ASTM 4140, ASTM 1045, ASTM 4340, ZL205A, ZL101A, etc. We can supply different international standards with top-calss quality. DE exports products to global market for worldwide customers. Welcome to visit our...