Hongda Filter Factory of Gongyi city in Henan Province of China are a professonal filter material manufacturer who owns powerful technology, best quality equipment, advanced technique and 18 years production history. Our finished products includes eight series and hundreds kinds and was in front rank of same industries, and it is also nationalwide chemical and thermotechnical design technological centre unit. Our product had been catalogued into 2008 Edition"Water&Wastewater Engineer Design Handbook" the 12 th volume, " Yearbook of Chinese Engineering Construction", "Collection of China Environment Protection Organization", "Collection of Supply Water Standard in China Town" etc.

Moreover, we intimately cooperated with science and development department so as to develop new products constantly, our finished products' overall index had reached national standard and some dominate products had played leading role in the same industry, and our licence had issued by regional health department. Our finished products are constantly applied in National Key Project, City water supply factory and nation's large and medium industry, and also are applied in following industries, such as metallurgy, chemical, light industry, thermoelectricity, soft drink and purified water. We have established stable and long term demand & supply relation with them, and had enjoyed good reputation among our customers. In recent ages, our products not only are sold in more than thirty provinces and regions of our country, but also emerge in world market, what's more, we are awarded by government relevant departments as "Credit Industry"and "Best Quality Industry".