Q1 : WHERE IS YOUR FACTORY LOCATED ? A : Our factories loacted in Qingxian , Hebei province and Yangzhou , Jiangsu Province Q2 : WHAT IS YOUR MOQ ? A : Warranty : 13months after shipment . Q3 : HOW LONG IS YOUR DELIVERY TIME ? A : Usually 30-60days after receive down payment .1. PACK box is scientifically equipped with ventilation holes, which has good heat dissipation effect, so as to prolong the battery life and reduce production costs; 2. The raw material of this product is galvanized steel plate, which conforms to the national standard GB/T 2518-2008 Continuous Hot Galvanized Steel Sheet and Strip; 3. The surface treatment of the PACK box shall be carried out in strict accordance with GB11186.2-89, and the impact resistance and adhesion of the surface shall meet the requirements of GB/T1732-93 and GB9286-88, which will have good corrosion resistance for different environments; And the overall appearance will have a good visual effect; 4. The processing technology of the product adopts automatic bending and robot welding technology, which can serve various types of battery PACK products. A rechargeable energy storage lithium ion battery case pack box is a type of packaging for storing and shipping batteries safely. It provides protection from external impacts, moisture, dust, and other environmental contaminants that could damage the cells. The case also prevents short circuits caused by contact between terminals on different cells.