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Chengdu Ruifensi Dedan Biotechnology Co., Ltd. specializes in the separation of high-purity natural product monomers and the development of production processes. It is a high-tech enterprise that integrates research and development, production. Curre

Yongjia Rilong Pump and Valve Co., Ltd. is a pump and valve manufacturing enterprise with strong strength and high paying technology, located in the picturesque hometown of Chinese pumps and valves& mdash; Yongjia Oubei

Since its founding in 1910, Hitachi has responded to the expectations of society and its customers through technology and innovation. Our mission is to “Contribute to society through the development of superior, original technology and products.” Ove