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"RRB" roller cutter are made by Ruiribo Machinery Co.,Ltd. It located in Chengdu, the capital of Sichuan province, which has been known as the "Land of Abundance". RRB is the specialized manufacturer of kinds of roller cutters in China. It makes high quality rock drilling cutters like Raise Boring Cutter, RCD Roller Cutter, TBM Disc Cutter, which are widely used in mining and construction industry, transportation construction and power industry. RRB has cooperated with many famous companies with OEM business, about 90% of the products are selling well all over the world .

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