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Founded in 1984, Hebei Hanghua Diamond Products Co,. Ltd mainly produces and sells Diamond Core Bits, Reaming Shells, Wire-line Drilling Rods & accessory equipment, Diamond Thin-wall core bits and other Diamond tools . With the production capability of Four hundred thousand types of drill bits, reaming shells .It`s predecessor is Shijiazhuang Hanghua Super Hard Tools Co,. Ltd .the company has accumulated 30 years of drill bits production experience . This company has strong technical force, exquisite production technology, a sound quality guarantee system and perfect service network.