ZHEJIANG YUANHUA MACHINERY CO., LTD,Located in Wenling,Zhejiang,China and established in July 2002,with more than 20000 m2 production area and more than 200 employees in 6 professional workshops.Yuanhua management system have passed the international certificate that integrate with ISO9001:2008 quality management system,and the products had got the CE,KC,NSF61 certificates etc.

Specialized in expansion tank and the annual output more than 1.2 million pieces,from 0.16L to 500L.The expansion tanks are widely used in water system,heating system,solar system etc.and fulfill the functions as pressure regulator,energy saving and environment protection,also extend the life of water pump and pipeline system.Our tanks are exported to  more than 30 countries and regions,including America, Canada, Russia, and other European countries etc.