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.
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。