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Lisheng machinery depends on abundant expernce for manufacturing grnding head, moreover in order to suitable for developed technology for ceramic and marble industry, so, Lisheng factory brings out complete serious of “ Active Tangential Grinding Head ”. It may be used to grind and polish marble; granite; porcelain of stoneware and ceramic. The JAS-QL serious of design accords market requirement. It fits different types of machines and different technology technical equipment.