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Our company passed the conformity assessment of ISO9001-2000, and has the national industry product production permit which the country issues, proves the number is XK05-208-00084.

The trademark is "Chang Yuan" steel pipe, the seamless steel pipe outer diameter may make 6-76mm, wall thickness 0.8-13mm, is suitable for the machinery, the construction, pressure and so on domain. The steel pipe sale to each city as well as sells in distant markets country to Burma, France, Japan, US and so on.

This company has the equipment of ￠ 70 perforations, Leng Boji 13, the year productivity is 30,000 tons. Of we think the quality of production as the center of our factory and work hard for consumer's benefit. Becomes the all staff's aware motion, pursuing a principle of "insuring quality, favourable price, judgmatical service, expedient settle accounts, fungible traffic, reputation is highest", all the customers, new or and will more care and more sustain the developing of ChangZhou YuanYang steel tube factory. And our company does not have the holiday, deliver goods for 24 hours. We will warmly welcome the people all the circles, with our sincere heart for possible best cooperation in future.