Established in 1981, Huanggong Machinery Group Co., Ltd. Located in the city Wenzhou which is one of the Ten Biggest Most Vigor Cities of China, has been committed to continual product development and better service to our valuable customers. We, huanggong, produce high-level quality and various pumps. We develop and design from our own technology department. Our leading product is gear oil pump, two screw pump, three screw pump, vacuum pump and various valves. The products are mainly applied to the key equipments within the following fields such as petroleum, chemistry industry, power station, boiler, municipal building, medicine, vessel & large national key engineering projects.We have gained various national patents and is regarded as provincial high-tech enterprise, furthermore, ISO9001 quality system international certification, China Classification Society Certificate for marine products, Member enterprises of Material Resources Market of Sinopec & PECC have been gained successively on the basis of high-qualification engineering technicians & employees, If you have interest in our products, welcome enquiry from us. We would like to establish friendly, mutual beneficial and long-term business relationships with you.