Established 1998,Zhengzhou Bihe Co.,Ltd is located in Zhengzhou city, China, with registered capital of 1 million yuan, which is invested according to the modern enterprise system by Gongyi Wanda Supplying and Draining Water Co., Ltd. Now it has characteristic of import & export manufacturer & trader. We have 2 factories, one produce pipeline expansion joints (also known as rubber expansion joints, flexible rubber joints, pipe fittings,etc), and the other branch company is ISO9001:2000 ...