Yakhazikitsidwa mu 1995, Yueqing Wanshfa Electronic Co., Ltd. ndi ya Wanshfa.Ndi apadera pakupanga, kufufuza, kupanga ndi kugulitsa mitundu yonse ya masiwichi okankhira, masiwichi a rocker, ma switch switch, ma switch ang'onoang'ono, masiwichi osinthira, ma switch, ndi zina zambiri. Ma pruducts amagwiritsidwa ntchito kwambiri pazida zamagetsi.