Nantong Xiangyang Optical Element Co., Ltd. Specialized in manufacture color optical glass and colorless optical glass, also manufacture all kinds of optical glass and filter.

• 南通向阳光学元件有限公司专业生产有色光学玻璃和无色光学玻璃，同时冷加工各种牌号、各种规格的滤色镜和滤光片。