... grinding:0.001mm 3.Accuracy of EDM:0.003mm OEM precision metal connector mould parts supplier specification:About us:More than ... experience in this field,Dongguan Syounan Precision Mould Co., Ltd. is a professional precision mould and mechanical parts manufacturing ... mould,computer connector mould,plastic electronic connector mould,high precision mould,plastic mould,medicine mould,etc. Processing flow: ...