ChengZhi gear works is one of the best gears machining company in GuangDong , China. Our company was established in 1999 and got the certification of ISO9001:2000(AFAQ AFNOR INTERNATIONAL) in 2001 . After invested about 10 Million RMB in the new machines from 2006 to 2007 , now we have Gear Grinding Machines, CNC Gear Shaping Machines, CNC Milling Centers, CNC Lathes, CNC Grinding Machines, CNC Tooth Checking Machines ***** quality number of our Gears can reach ISO 6 / DIN 6 / AGMA 10~12 . Our customers come from Italy, Germany, U.S.A. and China . We are also looking forward to cooperating with you. We can give you the best competitive products, because we have Professional Teams, Flexible Service and Excellent Quality .