Nantong Hongmei optical component technology Co., Ltd.
various specifications of color optical glass, colorless optical glass, quartz glass, near infrared (far infrared) glass, borosilicate glass, glass, coated glass, band-pass white glass (B270), sunalux glass (254nm/310nm/365nm), black rose color (color temperature drop) glass, insulating glass, toughened glass, color filter, filter, visual function of modified glass, ...