electronic transformer 1.whole process quality control 2.competitive price 3.prompt delivery ... ,QE,FQC,QA and OQC etc. quality control teams ensure good quality of every single piece of product. ... 3.40 inductance testers, 40 Hi-Pot testers 20 ... & D team and QA operators,we can keep the quality level to clients' requirements always. 4. 6S, QCC ...