We have now a specialist, efficiency staff to provide good quality company for our consumer. We normally follow the tenet of customer-oriented, details-focused for 4.0mm spring battery contact, , , ,. We are also the appointed OEM factory for several worlds' famous products brands. Welcome to contact us for further negotiation and cooperation. The product will supply to all over the world, such as Europe, America, Australia,Armenia , Uruguay ,Saudi Arabia , Muscat .Our tenet is "integrity first, quality best". We have confidence in providing you with excellent service and ideal products. We sincerely hope we can establish win-win business cooperation with you in the future!