I would like to ask you prawns, domestic coal quality analysis instruments, coal testing equipment, well-known brands which?
Coal analysis instrument manufacturers are concentrated in Hunan, Changsha and Henan, Hebi, Changsha equipment complex operation, high price. Simple, the price is not high Hebi Huanuo equipment. You choose the equipment according to your own conditions and requirements,
Changsha three and Changsha Kaiyuan, Changzhou, Zhenjiang, Henan, Hebi is also more
Hebi Huanuo, can look at the Internet search, information security products, customer service service is very good
