Tianjin Jewel Electronic Instrument Co.,Ltd. - Company Introduce
We are manufacturer of Construction Non-Destructive Test Instrument.Our main products : concrete test hammer ,Digital test hammer ,Digital carbonization depth indicator,Rebar detector,Steel anvil and so on. [Details]
Tianjin Jewel Electronic Instrument Co.,Ltd. - Company Introduce
We are manufacturer of Construction Non-Destructive Test Instrument.Our main products : concrete test hammer ,Digital test hammer ,Digital carbonization depth indicator,Rebar detector,Steel anvil and so on. [
