Zhejiang Hutu Silicon Co., Ltd

Known by the company name Bernhard Halle Nachfolger GmbH a team of scientists and high qualified fine optics engineers offers a large number of precision optical components. Especially the manufacturing of polarization optics is carried out with much

Guangzhou Hengshi Import and Export Trading Co., Ltd. is a comprehensive trading company that relies on wax chemical products as its foundation and has self operated import and export rights. Our company combines the advantages of capital, technology