Headquartered as a registered U.S. entity, ATO serves as a trusted global bridge for high-quality industrial automation and control devices. We empower business owners and engineers to stretch their operational budgets by bypassing local dealer margins and purchasing directly from premier manufacturing facilities in China. ATO backs every product with free engineering consultations, helping users navigate technical wiring, sizing selection, and system startup.

Highlighting our fluid control portfolio, ATO Air Driven Double Diaphragm Pumps offer unmatched performance across municipal, chemical, and manufacturing facilities. Our pneumatic pump range includes sizes 3/8", 1/2", 3/4", 1", 1-1/2", 2", 4", and 5", capable of reaching flow rates up to 275 GPM and pressures up to 120 PSI. Engineered with selectable bodies in stainless steel, aluminum, non-metallic, and cast steel, ATO AODD pumps offer a dynamic-seal-free architecture that prevents fluid leakage while enabling submersible, self-priming, and spark-free operation.