Chongqing ZhaoHong Technology Co., Ltd (ZHT for short) is a leading  manufacturer of precision components made from sapphire, ruby, agate, ceramic and glass, etc. in China. It is an authorized supplier of war industry and aviation administration of China for long-term service.

ZHT is consisted of two parts, namely the ZHT BEARING Section responsible for the production of industry components and the ZHT OPTICS Section responsible for the production of optical components . ZHT is well equipped with advanced manufacturing machines and testing apparatus and so completely specialized in cutting, curve generating, chamfering, grinding, lapping, polishing, beveling, centering, edging, coating, cementing, assembly, and so on. ZHT is capable of offering One Stop Service with strong  expertise group.