Quality policy: customer first, continuous innovation, excellent quality,  guarantee credibility.

Environmental policy: save resource, reduce waste, environmental friendly, caring future

Crystal-star laboratory testing capability covers ISO international sunglasses standard, ANSI American Standard of sunglasses and safety glasses, GB national standard of spectacles lens, QB sunglasses industry standard etc; The testing objects include sunglasses, protective glasses lens, ski goggles etc; All products are produced strictly accordance with ISO9001 and other international standards.“ Customer satisfaction for quality "is the company's long-term consistent service aim

Crystal-star products fit for below quality standards：

Quality management process：