... 8gUsefulelectronic products , kinds of connecter, Connector accessories,Computer fastener3.R&D and producing ablity machining material Stainless steel ,Brass,Bronze,Aluminum ... after salesWhen you find our product is not suitable for your requirement on the drawing,you can refund all product ... to us, then we will provide all right product for free.7.QC-QC(inspection everywhere):- Firstly, check the ...