Nanjing DRS Machinery Equipment & Engineering Co., Ltd. is an authorized agent of ZIPSON STEEL INDUSTRIAL Co., Ltd., and also is a supplier of AUMA products. We mainly engaged in the design, production and sales of ball valves, control valves, butterfly valves, fluorine lined valves, sanitary valves and supply the AUMA products.

ZIPSON was established in 1987 and holds a partial market share in steel products. It specializes in the casting industry, various stainless steel ball valves, carbon steel ball valves, sanitary grade ball valves, high-temperature ball valves, high-pressure ball valves, special alloy valves, and precision casting.

AUMA have been developing and building electric actuators and valve gearboxes for 60 years and is one of the leading manufacturers in the industry. Energy sector, water industry, petro-chemical industry and users from the most diverse industries worldwide rely on technologically sophisticated  products by AUMA.