... customer R&D. Make the files or improve the design if you need. ↓ 2,negotiationsThe quality, material, the price ,delivery time, payment item ... 4,mouldAccording customer’s request to build the mould, Before make the mould, we send the mould design to customer approval first. Before ... shootIf customer do not be satisfied with the first sample ,we will modify the mould and until meet customer’s ...