Established in 1994, Zhongshan Jiejun Optical Tooling Co., Ltd. is a factory which has great experiences and long history,specialized in mold & jig production and processing. Our company was Located in Zhongshan city with convenient transportation and beautiful scenery. Jiejun complies with both research and produces into precision optics jigs of coating, cleaning, cutting and polishing. As a pioneer of vacuum coating dome equipment manufacturer, we have standard workshop, professional t