Hangzhou Yong Hee Photonics Co,Ltd was founded since 2001,constantly improving roduction and inspection technology,owns set of advanced equipments to ensure us to develop various business.Now there are some manufacturing facility such as growing,grinding,polishing,coating,cleaning,

inspecting etc.,

Growing workshop 1

Growing workshop 2

Processing workshop

Stress-testing

Orientation testing

cutting machine

Grinding workshop

polishing workshop

Inspection workshop

laser-plane-interferometer

Comparison-goniometer

Coating workshop

Spectrophotometer

Interferometer