How about Qingdao Goer Optics?

Qingdao Goer has good optics. Goer Optical Technology (Qingdao) Co., Ltd., founded in 222 and located in Qingdao, Shandong Province, is an enterprise mainly engaged in instrument manufacturing with a registered capital of 1 million yuan. With its strong optical development ability and resource integration, Goer provides DLP optical machine modules for micro-projection, touch projection and AR. The Fresnel lens independently developed by Goer has a special-shaped trimming structure and high imaging quality, which is suitable for VR products.