... rich experienced skilled workers.4.Custom R&D program coordination.5.Application expertise. 6.Quality, reliability and long product life ... , perfect and excellence, but simple design.Steps 1.Negotiations: Quality, material, price, payment, delivery time item and so on ... many years' experience2,Delivery in time3,Excellent equipment 4,High quality and competitive priceMaterial:ABS,POM,PP, PU,PC,PA66, ...