China air separation manufacture, we can make PSA nitrogen production equipment, PSA oxygen production equipment, VPSA oxygen production equipment, cryogenic air separation equipment, various gas purification equipment, waste heat regeneration air dryers, heatless regeneration dryers, micro-heat regeneration dryers, refrigerated dryers, and combination dryers, which are widely used in industries such as metallurgy, power, chemical, petroleum, electronics, biology, pharmaceuticals, chemical fibers, food, and rubber.