20% Employees Are QC/QA Workers. We Have 6 Strict QC Processes Including
1)  Raw Materials QC
2)  IPQC (In Process QC On Patrol)
3)  LQC (Line QC)
4)  Aging Test QC(Before Our Batteries Are Going To FQC, 100% Products Will Go Through A 24 hours Aging Test QC) 
5)  FQC (Final Product QC)
6)  OQC (Output QC Before Shipping)

QC Standard: The Enterprise Standard 2011589

Passed Special Tests:
1)  Simulated 3000m Altitude Air-pressure Test;
2)  -20°C - +60°C Temperature Testing;
3)  Salt Spray Test;
4)  Appearance Test (wear-resistant, sweat, hardness, adhesion, etc.)
5)  Functional Test (suction, leakage, battery capacity, battery resistance, short circuit protection, etc.)
6)  Life Test ( battery self-discharge, negative pressure leakage, etc.)
7)  Simulated Transport Drop Test, Vibration Test, Soake Test.