About Zhengzhou Hengchen Electronic Technology Co Ltd
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BAOSHISHAN by ZHENGZHOU HENGCHEN ELECTRONIC TECHNOLOGY CO., LTD. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 20-May-2019 Serial number: 88437808
BAOSHISHAN by ZHENGZHOU HENGCHEN ELECTRONIC TECHNOLOGY CO., LTD. (Track this)
Intl: (007) Machinery US: 013; 019; 021; 023; 024; 031; 034; 035 Filing date: 23-Feb-2017 Serial number: 87346662