Anhui Tongguan Machinery and Technology Co.,ltd is subsidiary to Tong ling Nonferrous Metals Group Holding Co.,ltd. It is the first enterprise that produces the environmental equipment and underground trackless equipment. Our main products are Ceramic Filters,Diesel LHD, Mining Dump Trucks ,Drilling Rigs and Utility Service Vehicles.Now we have more than 40 national patents and more than 400 employees. Since established in November, 2008, it has taken great changes on the technology innovation, product operation, quality management, internal management and etc. The products has developed from the 3 varieties in 2008 to 17 varieties now .The annual turnover reaches over 1 billion RMB.The company is the drafter and maker of the industry standards of Ceramic Filter,Drilling Rigs, Underground Service Vehicles. Tongguan brand has won the National Patent Work Advanced Unit. We will sincerely serve our customers domestic and abroad. MORE