A&G builds thousand-class clean workshop, and sets up a strict pre-clean and re-clean procedures, and equipped with a hundred-class purification oven, thousand-class ultrasonic cleaning machine, high precision coating robot, automatic gear equipment, Ultra-pure Water Purifiers, high precision excircle processing lathe, high-precision chamfering machine, high pressure reactor, medium ball mill, compressed air device and other advanced equipments. Furthermore, the whole production is controlled by accurate central data processing system.