As a manufacturer, Gao Din Medical (Shanghai) Co., Ltd. was founded in 1996 with the vision of "improving quality design and function face covers, providing first class non-woven fabrics, dental products, ultrasonic cleaners, optical frames, ...

Beijing OutsmartingDacone Instrument Co.,Ltd ,formerly Beijing Dakang instrumentCo.,ltd established in 2002, is a subsidiary of Outsmarting SIGMGroup , which leading manufacturer specialized the lowvision and ophthalmology ...