Zhengzhou Guidance Trading Co., Ltd. is a famous trading of food making machines, industrial machines and agriculture in China. Our company has professional team in-depth study on the application all kinds projects, machinery ...

Changsha Samy Instrument & Equipment Co., Ltd. is a professional high-tech company, engaged in the research development, manufacturing and marketing of laboratory instruments. We have centrifuge,planetary ball mill,vacuum glove box,vacuum furnace,plasma nitriding furnace,pill make ...