Cangzhou Spiral Steel Pipe Group Co., Ltd. located at No.92 JieFang East Road, Xinhua District, Cangzhou City, Hebei Proivence, which is a joint-stock corporation established in 1994. The company is a large-size enterprise and key metallurgic enterprise of Hebei province. It occupies 350, 000 square meters with total assets of 680 million RMB yuan. There are 680 employees, ten percent of them have all kinds of certificates, and its annual output is 400, 000 tons of spiral steel pipe and the turnover is 1800 million every year. Cangzhou Spiral Steel Pipe Group Co., Ltd. including Cangzhou Spiral Steel Pipe Group Co., Ltd, Cangzhou Double Dragon Steel Pipe Co., Ltd., Cangzhou Derry Fengda International Trade Co., Ltd.� Cangzhou OK Anticorrosion � Thermal Insulation Project Co.Ltd. and Inner Mongolia Zhengyuan Steel Pipe Manufacturing Co., LTD. The company has thirteen sets of production lines now. The product is double-faced submerged-arc welded pipes. Now the diameter of our product is from ��219 to ��3500mm and wall thickness is from 6mm to 28mm. The brand of our product is �WUZHOU�. Our product comply with the standard of SY/T5037-2000, GB/T9711-2011 and API Spec 5L, the material can be Q235A/B, Q345BCD, 16Manganese and X42-X80 grade. The products are widely used in the long-distance transmitting pipelines of natural gas, petroleum, chemical industry, power, heat power and water source etc. We build our factory on the basis of quality, and carry out the quality management from up to down, we got the ISO9001 quality management system certificate in 2000. The product is strictly tested in all process from contact signing, raw material purchasing, producing, to inspection and after sales service, we passed the termly inspection of Cangzhou Municipal Technology Supervision Bureau and Hebei Province Technology Supervision Bureau. We ensure to supply excellent product and service for the customers. For so many years, our company put the customer first, establishes pre-sales, on �sales and after-sales service standard so that completely satisfy the demand of the customer in all process. Our product gain trust from customer and we establish long term and mutual benefit cooperation with customer. Our company was awarded �Top10 excellent enterprise� by the state of Cangzhou and Hebei province; �Top100 national enterprise with good reputation in contract fulfillment� and � National excellent enterprise in quality and service� by State Economic and Trade Commission and State Administration of Industry and Commerce; �AAA Credit Enterprise� by Agricultural Bank of China, Hebei branch. � WUZHOU� brand gained �the well-known brand product of Hebei province.� The president and general manager Sun Tieling sincerely welcome customers from everywhere.