... 4. Product Material: PP, PS, ABS Product Name battery box injection mouldCore & Cavity SteelP20, S55C, 2738// 718, 2738, P20, 45#.Steel ... support customer R&D. Make the files or improve the design if you needed.2.NegotiationThe quality, price, material, delivery time ... item ect.3.Place an orderAccording your own design or you chooses our design. 4. MouldAccording customers request to build the mould ...