Jiangsu Shuangyi Optical Instrument Co., Ltd.., located in the development zone of Danyang City, was established in 2004 with registered capital over US$ 24 million. It covers an area of more than 89,976 ㎡, and the factory room takes over 40,000 ㎡. There are central air conditioners in the workshop and air conditioner, washroom, balcony, telephon...[more]