任丘市长城粉末冶金厂系中国机械粉末冶金协会会员厂。集粉末冶金产品的生产研发为一体，依托科学严谨的现代化管理手 段，领先的制造技术和设备，为用户提供优质的产品。 本厂专业生产各种规格的粉末冶金含油轴承（铜基、铁基、铜铁基套）；无油润 滑（SF）轴承；双金属轴套（瓦）和各种粉末冶金结构件。 “钟鸣”牌商标是任丘市长城粉末冶金厂产品的象征，质量的保证。 本厂宗旨：立足科技，诚信为本，追求卓越，让长城“钟鸣”奏响与时代同步最强 音！ Renqiu Changcheng Powder Metallurgy Factory is a member factory of China Machinary powder Metallurgy Association . It is a factory of both production and researching .With modern scientific managing mothed and advanced manafacning equipment and technology .the factoy can provide good quality products users. The factory is specialized in manufacturing all kinds of ogalloys(acid bronze alloy. iron radical. Bronze and iron basic cover)for powder metallurgys . oil-free(SF) bearings . bimetallic bushes and some other structure parts “Zhongming”is the trademark of our products and it is also the guarantee of the quality . The Factory’s aim :Based on science and technology; Credit is our foundation ; Purs