... send you PI with company chop and singnature for confirmed after you give us an order, then ... Rubber case, Leader case,Plastic case, Crystal case,Bumper for cell phone, and so on.More information, please feel ... PRO/E,Solidworks and Catia ect.2.Available for OEM/ODM service and very super precision reachs ... base4.Send sample with test video to customers for check product quality and mould working condition.5 ...