Shanghai Beijian International Trade Co., Ltd. founded in 1997 , is professional on produces, sells and installs industrial section doors, electric sliding doors, aircraft hangar doors, rapid rolling doors, remote controlled garage doors and many others doors, we also provide doors related operations and services, as well as door panels and hardwares, such as spring , rollers, hinges, drums , tracks and so on.We also export products to all of the world, OEM is welcomed. delivery in time, good quality, competitive price, professional sales team are our main way