RUIJIA not only a provider of high-quality vacuum products, but also focus on solving various problems in the application of vacuum products for customers. We supply a wide range of vacuum accessories, including ultra-high vacuum ICF series, ISO series, KF series flanges, vacuum bellows, vacuum adapters, clamps, center rings, vacuum valves, vacuum pumps, vacuum chamber accessories, etc. We provide customized non-standard product services, and our products are widely used in high-tech industries such as semiconductor manufacturing, photovoltaic industry, aerospace, new materials, scientific research, etc.