Beijing Zhengda Tongli Steel Pipe Sales Co., Ltd is a corporate enterprise, which is established in Aug. 2001. We are the reliable manufacturer of steel pipes, and our products are in great ranges, such as galvanized steel pipe, seamless pipe, welded steel pipe, spiral steel pipe, stainless steel pipe, oil casing pipe, line pipe, etc. Tracing back to the past, Zhengda Tongli has been adhering to the business philosophy of “Creditable Operation” and “Customers’ demand is our job”, the guideline of “”Top Service, Top Awareness, Top Management”, and the sales tenet of “Professional, Exquisite, Cultural”. According to ISO9001：2000 Quality Management System, Zhengda Tongli has set up a sound marketing service system, and formed a marketing network focusing on Beijing market and took north of China, northeast of China, south of China and east of China as key regions. In addition, we also formed a long and mutual business relationship with many customers abroad. Welcome to our company to start business, and we hope to establish a long term business relationship with more customers and achieve corporate development.