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why choose us ?

we have four big advantages

1: cost advantage :

dependon lower cost to get more profits

2 :technical advantage:

advanced test devices for testing Vtm (voltage drop), durable voltage , and the sensitivity etc

3: warranty adavantage:

beyond 1 year , stick to ten steps of procedures for standard test

4: management adavantage:

ISO CE CQC  etc  certificates we've already got now