Shandong Yanggu Constant Crystal Optics Inc.

Shandong Yanggu Constant Optoelectronics Co., Ltd. (SDYGO) was founded in April 2006, located in Xiangguang Economic Development Zone of Yanggu with developed economy and convenient transportation.

SDYGO owns strong production capability in our modern workshops. We are mainly specialized in the production of lens, prisms, mirrors, cylindrical lens, beam splitters, filters, windows and a variety of materials. We provide customers with design services.

Our products are widely used in cream, apparatus, optical system, medical equipment, teaching equipment, airport lamp and others for life science, public security, bio-technology, aerospace and various other high-tech industries.

High Quality, Quick Response, On-Time Delivery! SDYGO is always ready to establish friendly and lasting business relations with every possible customer. We devote ourselves to providing you with the best quality products and highly appreciable service! We promise to be your best partner and friend and to have mutually sustainable development!