Ningbo City Yinzhou Duopan Flange Metalwork Factory was founded in 2002. Our factory is located in Hengjie Industrial Zone of Ningbo Yinzhou which has the beautiful environment. We enjoy a convenient transportation. We has already obtained the ISO9001:2000 Certification. Our factory building area is over 4500 square meters, and we enjoy the beautiful environment, and our factory is clean and tidy, with the modern garden style. We have one senior engineer and two technicians who are all from large enterprises. The ISO9001:2000 quality system is fully implemented in the production of high-quality products, which provides a strong guarantee. Our company has the strength of the implementation of integrated production from the heat treatment, machining, physical and chemical testing and surface treatment to the packaging shipment. We also have strong capital supports, solid technical forces, advanced production technology, perfect quality, reliable after-sales service, and a good corporate reputation around the world and the domestic markets, which provides a solid basis for cooperation. Our factory has abundant technology and management experience for the domestic and international markets. According to customers&＃039; requirements, we specialize in the production of GB standard, S standard, Cairns standard, Drive standard, American standard, Germany standard, Japanese standard, and British standard flange series (including construction flanges, marine flanges, and chemical flanges), worm series, hydraulic pumps and hardware, such as non-standard metal parts. Our company adheres to the management principle of "Customer First, Quality Foremost, and Based on Honesty". We support the long-term products to the Group of Ningbo Zhedong, Ningbo Huatai Group Cement Pre-Products Company, Zhejiang Shipyard, Zhenhai Petrochemical, Ningbo Xinda Screw Compressor Co., Ltd., Ningbo Hengli Hydraulic Power Machinery Manufacturing Co., Ltd. and other domestic famous enterprises.