Jiangdu Dongya Piping Fittings Co., Ltd. is a major Chinese manufacturer and exporter of fasteners, flanges and seals. We have over 8 years of experience in this field, as well as our own factory to manufacture these items in-house. The majority of our output is for export, and we are enjoying a solid international reputation. Prestigious clients from all over the world cooperate with us on a long-term basis. 



Our products are of the highest quality at very competitive prices and are made to our clients' exacting standards and specifications. We have been using the CAD auxiliary mechanical design system since 2000, and became an ISO9001 certified company in 2001. In sum, our company has a strong technical force, advanced equipment for processing and testing, a strict quality control system, and efficient product development and design capabilities for large-scale...