Signlite Opto-electronics Co., Ltd was founded in 2006, original from sunsignled, which regularly manufacture signage back lighting LED modules and strips, we now expand our business from signage to indoor commercial lighting, and we successfully make network of distribution partners in Germany, Russia, Italy, France, Netherland, Poland, Dubai, Turkey, India, Japan and so on.

Dongguan Keynote Nano Technology Co., Ltd. is a professional in vacuum coating processing services, mainly in high-tech companies. The chemical vacuum coating vacuum vapor deposition process, namely parylene CVD technique; The parylene coating products with high insulation strength and resistance to high temperature, corrosion resistance, acid and alkali resistance, lubrication, dustproof, waterproof, anti rust, transparent, waterproof, anti - aging, biocompatible role; In the field of medical design and manufacturing, biomedical, automotive electronics, aerospace, military industry door, control system, protection of cultural relics widely used. Is a professional engaged in nano vacuum coating and surface treatment of high and new technology enterprises.