Our factory established in 2003, owning 25000 square meter land and international first-class processing equipment and testing equipment .We own 300 staffs, amont them 15 are Senior Designers. We do OEM & ODM. Then Shanghai DeQianSheng trade&industry co., ltd. come up . We sincerely welcome customers new or old at home or abroad here to investigate and negotiate for cooperation, following the principle of quality first, customer above and credit fundamentality.By the way, we always have one department to handle their own goods, so please do not find wrong ones!Then let me guide you .