... 3.ISO9001:2008, ROHs metal stamping AA battery spring contact for PCB 1. Available Material: Phosphor bronze , Iron, cooper, ... assurance: To ensure correct standard and choose equivalent stansard for materail and technique requirements,before running ,we would like ... off,spotcheck in processing ,final inspection, 100% inspection for critical dimension;5. Small order accepted; 6. Packing: carton box or ...