Duvalco operates a policy of continuous review of R & D and production systems which have resulted in the establishment of a high-tech production unit.

Located in Tianjin, China, Duvalco manufacturing plant is ISO 9001 certified and produces a wide range of quality valves to meet the stringent demands of our customers. Within this facility, all disciplines are integrated into one flexible R & D, engineering and production unit.

Quality, reliability, performance and timely deliveries are always our main priority to provide our best services for our customers. As a result, we are able to supply our valves worldwide and are currently recognized as a preferred brand in the valve industry.