VPSA Oxygen Plant Manufacturer- DOER OXYGEN

Suzhou Doer Oxygen Equipment Co., Ltd. is a private high-tech enterprise headquartered in Suzhou, China. We possess comprehensive professional qualifications in pressure vessels and pressure pipelines, including A1, A2, A3, and D-class pressure vessel design licenses; D1 and D2-class pressure vessel manufacturing licenses; A-grade pressure pipeline component manufacturing licenses; and GC2-class pressure pipeline design licenses.

Our product portfolio—including air separation units (VPSA oxygen systems), oxygen storage tanks, gasifiers, gas pressure regulators, and pressure vessels—is built upon design and manufacturing capabilities fully recognized by global authoritative institutions. Through standardized production management, stringent quality control, and internationally accredited certifications, we independently develop and manufacture core equipment, maintaining a leading position in the industry.