... Bits,Alloy Bits,Tricone Bits and Other Bits for Drilling Project ModelTCI BIT, STEEL TOOTH BITIADC CODE 116 117 12 6127 ... daysMarketCanada, USA,Middle east ,Africa,Europe Hejian Huanyu Petroleum Machinery Co., Ltd. in China.1) Product :we specializes in manufacturing:Tricone bits ... Bits,Alloy Bits,Tricone Bits and Other Bits for Drilling Project