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                        

                   Stress-testing                                  Orientation testing

             Cutting machine                                   Grinding workshop

           Polishing workshop                                  Polishing workshop

            Polishing workshop                            Inspection workshop

                Interferometer                                      Goniometer 

                                             Coating inspection