JAtech designed and manufactured high-precision stainless steel pneumatic devices have been taken lead in the fields of general industrial, mining industry, precision machining industry, and automotive industry. JAtech has its own patent valve technology, compared with the current market most similar products, JAtech manufactured pneumatic devices in terms of increased air flow is over 50%. Moreover, JAtech branded pneumatic devices are of simple disassembly, durability and versatility, good chill stability and thermostability, strong shock resistance and corrosion resistance, and were able to maintain a stable under the extreme pressure of air flow.