DONJOY Technology Co., Ltd manufactures sanitary valves, hygienic pumps and stainless steel pipe fittings, backed by in-house R&D and advanced CNC machining and inspection capability.
DONJOY Technology Co., Ltd is a Wenzhou-based manufacturer integrating research and development, production, sales, and service for hygienic fluid-handling equipment. The company focuses on high-quality sanitary valves, food-grade pumps, stainless steel tube fittings, and valve control and positioning solutions.
Its product portfolio covers hygienic valves such as butterfly, ball, diaphragm, check, mixproof, diverter, angle seat, shutoff, tank bottom, sampling, pressure relief and safety valves, together with rotary lobe, centrifugal, double screw and other sanitary pumps. DONJOY also supplies stainless steel pipe fittings and related sanitary system components, including tank cleaning equipment and sanitary filters.
To support consistent quality and precision manufacturing, DONJOY operates advanced CNC machining and testing capabilities, including LG MAZAK CNC processing centers and dedicated inspection equipment such as X-ray fluorescence metal analyzers, infrared analyzers, surface detection and roughness measurement instruments, and automated valve leak and pump performance testing systems. DONJOY solutions are widely applied across dairy, food and beverage, brewing, bio-pharmaceutical, cosmetics, water treatment, and fine chemical industries.
The company integrates research and development, production, sales, and service to support customers from product selection through long-term operation.
The pipe fitting portfolio includes seamless stainless steel fittings and common connection types used in hygienic lines, including clamp, union, ferrule, elbow, manhole and filter components. Materials referenced include ASME SS304 and SS316L.
Manufacturing is supported by LG MAZAK CNC processing centers and a range of inspection and test equipment, including cutting systems, Innov-X X-ray fluorescence metal analyzers, infrared analyzers, internal surface detection, Mitutoyo roughness measurement, automatic valve leak testing, and automatic pump performance testing.
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