Zhejiang LongYou GD Chemical Industry Co., Ltd.

Cangzhou Lingang Xinbaoheng Chemical Co., Ltd. (old factory: Tianjin Zhentai Chemical Co., Ltd.) focuses on the production and research and development of chemical products, with a history of more than 30 years.

Founded in 2003, SphereOptics is a highly technically focused company serving the following areas of photonics: - Manufacturing, refinement and calibration of optical materials and standards for diffuse transmission and reflection -...