Guangzhou Chanben Steel Tube Co., Ltd is spcecialized in making seamless steel tube of DIN series featured with high accuracy and brightness. The total number of employees is up to 150, of which the management staff is 21, works are 105. One chief engineer (with the glorious title of Laboring Model of Shanghai), one economist and seven persons with the senior professional titles, intermediate and/or junior are in company's management body. Twelve persons are professional inspectors in quality. The seamless steel tubes made by company are based on the DIN /EN/ASTM (DIN2391 EN10305 ASTM-269) Standard. The hot rolled seamless tube produced by Shanghai Baosteel Company is used as transfer bar of our company. The finished product is made with the exclusive process of cold drawing and cold rolling of our company. The steel tube is featured with high precision and high brightness. Because of using the exclusively non-oxidization process of bright heat treatment, the inner and outer walls have high cleanness without oxidized surface. The tube has the excellent mechanical properties, resulting in no leakage under the high pressure, no deformation after cooling bent and no seam after flaring and pressing in different applications. The company stands for producing high quality steel tube. Currently, the company owns four modern production lines configured with combined equipments from China and abroad, and has the complete set of inspection and testing equipments. The annual capacity is up to 15000 tons. Now, we have three series of EN/DIN high precision and high brightness seamless steel tube, stainless steel tube and DOUBLE WALL STEEL TUBE. The products of our company have been extensively used as a substitute of the imported steel tubes with the same standard for application in varieties of industries, such as hydraulic system, automobile fabrication, military industry, engineering, locomotive, aircraft, shipbuilding, plastic injection molding, pressure mold, machine tool, diesel, petrochemical industry, power station, boiler, etc. And the good comments have been obtained from the customers. At the same time when the achievement is obtained, the company has continued to improve the management in quality, carried out in depth the quality management system of ISO9001 inside the enterprise. The investment is putting into the scientific research & development for new techniques and products are developing. Specially, the service consciousness for customer is strengthened. Based on these activities, the company formed the concept of "Seeking Advanced Process, Stabilizing Production Quality, Improving Management Infinitely and Serving Customer Flexibly" to manage the company. In 2005, the company's product was stepped into the international market at the first time and exported successfully to the Germany where the DIN standard was established. Nowadays, the steel tube has been exported to more than twenty countries.