YINGYU electronic put customer at first , All raw materials must come from reliable suppliers.All products are designed based on customer requirement , Goods quality be monitored by particular quality person , all devices be checked regularly, production totally follow SOP
Adapt effective actions/measures into controlled documents
No sooner said than done－fully follow controlled documents to manage everything
Documentalize every procedures and have tracebility
therefore , YINGYU always win extensive credits and reputation in cometitive market until now.