Nantong Chengxin Optical Instruments Co.,LTD was founded in 1990 and located in the beautiful city-Nantong.It covers an area of 20000sq.We provide a variety of optical products,components and parts.With a good reputation and high admiration,our products have been well-received by our customers from many countries and places.We have ISO9000 and FDA certification.We hope to eatablish business relationship with you sincerely.Welcome to visit our factory.