About Usmore

About us
    Shenzhen Kingsheng PCBA Tech Co.,LTD (H.K. C-Alley Co.,LTD) was founded in the year 2002, mainly business are automotive cables, PCBA and electornic products trade, all the products were exported to foreign markets, mainly to Eastern Europe market. Since year 2005, Kingsheng begin to focus on PCB Assembly and created our own factory in Baoan district, Shenzhen. more

Testing Jig
The test jig has two functions:
 
 1) to check that the preamp can hold voltages applied to the power rails, and that the supply currents drawn are within tolerance
 
 2) to provide a fast electronic pulse that is applied to the input of the preamp and compare the output waveform to an expected shape.  The tester is also designed to be operated conveniently and quickly.
 
At Kingsheng, we do ofen customised test jig design and manufacturing. All the PCBA products must been 100% full tested.