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the automatic proportioning system,automatic discharging system and automatic forming syetem,designed by our technical center,were approved by provincial experts in june 2005.carbon anode vertical cooling techique,conical pneumatic control pitch valve,the double helix feeding machine won national patents. huoning carbon plant with a annual capacity of 120,000mt in inner mongolia was completed in dec,2004,meet varies requirements of producing good quality anodes in extremely cold area,and achieved low cost,short construction period ,lesst fixed capital investment and high quality rates.