In order to better serve the vibrant and dynamic market in Chinese Mainland, the OSA brand holder legally authorized the establishment of Shanghai Vosa Solenoid Valve Co., Ltd. in Shanghai, China, in 2008. Shanghai Wosa Electromagnetic Valve Co., Ltd. is located in Haiwan High tech Development Zone, Fengxian District, Shanghai. It is an international high-tech enterprise that integrates product design and research and development, production and manufacturing, pre-sales consulting, technical training, after-sales service, and export processing. Since its establishment, the company has been committed to the research and development of high-end valves with the technical support of OSA company, and has also engaged in exchanges and cooperation with high-end valve brands in Europe and America. The company's products are mainly divided into three categories: German technology products, imported accessory assembly products, and self-developed products for the domestic market based on foreign technology. We have over 50 series of solenoid valves with more than 3000 specifications, over 10 series of regulating valves with more than 600 specifications, and over 20 series of electric and pneumatic valves with more than 1000 specifications. At the same time, we also act as agents for internationally renowned brands such as GC in the United States, ODE in Italy, Rexroth in Germany, and Atos. The products are widely used in hundreds of industries, such as defense and military industry, shipbuilding heavy industry, aerospace, petroleum and petrochemical, metallurgical power, medicine and health, food and beverage, environmental protection and fire protection, building automation, etc. The products are exported to dozens of countries and regions in North America, Europe, Brazil, Southeast Asia, Africa, etc. Today, the people of OSA will adhere to the spirit of "pursuing progress, providing dedicated service, and being consistent (Onward, Sincerely, Always)" and make unremitting efforts to contribute to the development of industrial automation in the world in the 21st century