Круглые хвостовик биты, сварочные бары, бары изменения быстро

We can supply all kinds of“Ruizuan”brand coal mining bits, sleeves and holders which have high strength,high wear resistance and long life features.They are widely using on excavation machines, shearers,continuous mines etc. We can design and produce different bits according to diffrent hardness of rock to satisfy customers different requirments, meanwhile we also can help our customers to design,produce and repair all kinds of cutter drums.