Shanghai Quntong Spray Packing Material Co., Ltd. was established in 2002. We are one of the biggest manufacturer of metering valves in China. The head office of company is located in Shanghai Pudong New Area and adjacent to Shanghai Pudong international airport. At present, we have 3 own factories in 3 different cities: Shanghai, Nantong and Zhongshan, 7 automatic production lines for 1 inch valve, 2 automatic lines for 20mm valve, 2 automatic lines for portable gas stove valve and 1 production line for fire extinguisher valve. 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. With more than 19 years export experience, our aerosol valves are export to more than 50 countries and areas with high reputation. We can provide OEM&ODM services.