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
Ligth Weight less than 1kg, sensitivity not worse than -108dBm Non Lineaar Junction Detector( NLJD) Non Lineaar Junction Detector( NLJD) Introduction ...