Beijing Heweiyongtai Sci & Tech Co., Ltd. Beijing Heweiyongtai Sci & Tech Co., Ltd. was established in the beginning of 2008. We are a hi-tech enterprise specializing in manufacturing and trading
Dual Mode Explosive & Drugs Detector Model: HW-IMS-300 Description The device is based on the principle of dual-mode ion mobility spectrum (IMS), using a new non-radioactive ionization source, which ...