TEL: 13911190592   FAX：   E-maill: twtchina@hotmail.com   地址：Jin Jiang Road, Tanggu District, Tianjin City, national marine hi tech park, No. 1999
copyright © 2007 Beijing Yuanzhen Fluid Equipment Co., Ltd ALL Rights Reserved   ICP备案编号：京ICP备2024046216号-1