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
Waterproof the processor is based on 8-bit 2*RISC ADC Mine Detector Mine Detector Description The UMD-2 is a versatile multi-purpose metal detector ...