Room 301, Unit 5, Building No.1, Tianhuiyuan, Changping district, Beijing

Beijing Landingji Engineering Tech Co., Ltd. was founded in 1998, located in Huilonguan Town, Changping District, Beijing. Our company has years experience in the research, production and trading of ...

E35#, New Station Industrial Park, Hefei, Anhui, China

Hefei Quantum Quelle Nano Science & Technology Co., Ltd is a specialized manufacturer of nano metal powder, nano oxide powder and related nano compounds powder with patent process in China. Th...