dear sir, we are jasper electronics (hk) co., ltd. ,we can supply circuit assemblies, here are brief introduction of our company: jasper hk provides design engineering and manufacturing services that are vertically integrated with components capabilities to optimize its oem customer's operations and time to market. jasper establishes long-term customer partnership by delivering membrane switch, el lamp, circuit board, rubber keypad, plastics moulding, and electronics assemblies. your early reply will be highly appreciated. best regards! address: b602,jianan meidi bldg.,no.12031 west　shennan rood,nanshan,shenzhen 518054,china shenzhen guangdong china zip: 518000 tel: 0086-755-86212018 contact: jason hu