Arc suppression coil -Application: applied as parts of high-voltage switch -Client Problem: at the initial stage, the order quantity of customers was small while the process was complicated. Therefore, few manufacturers wanted to produce the product. -QH Solution: QH produces the product as required by the customers. But due to small quantity, few suppliers would like to sell the raw materials to us. Furthermore, the product requires silvered lead line which is produced by complicated process. Fortunately, after careful research and development, QH realizes batch production of the product. The customers are satisfactory about that. Hence, the monthly order quantity rises to 5,000 pieces from 2-3 pieces. -Benefits: high efficiency