In order to keep the consistent and excellent quality, Goldrain has its own strong and experience RD team, start from tool making to process improvement, each process is systematically followed by engineer and technicians. With more than 300 sets of injection machine and 200 sets assembly machine,we are pound that we can provide customer with daily output of 2.5million pcs. Goldrain has complete management system and quality control procedure. Each product is under the control of QA.