Shanghai QunTong Spray Packing Material Co., Ltd. was established in 2002. The company is located in Shanghai pudong new area and adjacent to Shanghai pudong international airport. Now we have 4 automatic production lines for 1 inch valve, 3 automatic lines for 20mm valve and 8 punch production lines for mounting cup. Besides, we have several semi-auto lines for special valves. We are specialized in aerosol valve and its design, R&D and manufacture.The main productions are 20mm and 1 inch metering valves , fire extinguisher valves, bag on valves and all kinds of actuators, cups and other parts, etc.