Henan Changge United Carbon Co., Ltd.( Henan Changge United Chemical Machinery General Plant) was founded in 1978. It is located in Changge City, Covering an area of 35300m2, on the south of Zhengzhou, capital of Henan province and the north of Xuchang, capital of Wei dynasty. Beijing-Zhuhai Expressway and Beijing-Guangzhou Railway go across the city, and Xinzheng International Airport is only over 30km away. So it is very convenient for the transportation and the communication.

       Our company is a united enterprise specialized in producing active carbons and related purification and environment protection equipment and mechanical machinery. Our company is one of the main members of National Active Carbon Association, a member of National Gas Information Net and a partner unit of Tongji Water Treatment Quality Supervision Center, National Environment Protection Bureau. The yearly output of our respective product is as follows: over 5000t various active carbons, 2000t activators, ferric oxide, salicylic and water purificant, 200,000 steel rings, 600 sets of equipment. The annual production value is 60 millions RMB yuan.

       We always adhere to the way to development on advanced technology & science. We have cooperated with many scientific research institutes or universities, such as Zhengzhou University, Northwest University, Shanghai Tongji University and Shanghai Chemical Engineering Research Institute, and jointly developed more than 30 kinds of products of chemical engineering and environment protection machinery. Our company has established a perfect quality assurance system and quality testing system. Our products are all up to or higher than the required national standards. They are widely used in the industry of petroleum, chemicals, pharmacy, food, light textile, electronics, iron and steel, national defense, gas, water purification and environment protection etc. Our products have been sold to many places at home and abroad, and enjoy good reputation from the customers.

       With our perfect services, strong capacity, advanced technology and modern management, our company, adhering to the principle "Pursuing Excellence, combating top-ranking, Unity and working, for the country and the people", will be away ready to serve our customers and the society. We hope to cooperate with friends all over the world to jointly develop and prosper with the trend of the globe market economy development.