... we already cooperated with many famous companies home and abroad. Here comes the basic information for your reference.ItemDescriptionMould material45#, 50#, P20, ... Step1.R&DWe support customer R&D. Make the files or improve the design if you needed. ↓2.NegotiationMaterial, Quality, ... ↓4. MouldAccording to clients request to build the mould. Before make the mould, we send mould design to customer for ...