| Zhengzhou Yedao Environmental Technology Co., Ltd. Zhengzhou Yedao Environmental Technology Co. Ltd is a modern integrated enterprise engaged in the research, development, design, production, sales and service of water treatment materials. Founded in 1999, now we have three subordinate plants and 420... We are regularly Selling: activated carbon, water treatment material, activated carbon, coconut shell based activated, coal based activated carbon, powered activated carbon, nutshell based activated carbon, activated carbon for sulphur removal, columner activated carbon. Member since 14 May, 2013, China - Henan |