80cbm/h, 150cbm/h, 500cbm/h, 1000cbm/h capacity cryogenic/PSA oxygen produce equipments. Cryogenic oxygen produce plants use the method of normal temperature molecule boult absorb and purify, penetrate expand refrigeration, fractionating tower inside full aluminium structure full low pressure air separation plants, the technic and flow is advanced, performance steady, running calm, operation facility etc., the air separation plants own domestic advanced level on design and manufacture.