The complete machine, technical transformation and spare parts service of the crusher and plate feeder. The whole machine is designed and manufactured with a single-stage hammer crusher, an impact crusher for limestone, an impact crusher for hard materials, a toothed roller crusher, and a jaw. Type crusher, hammer crusher for medium crushing, wave roll sieving machine, plate feeder, wave roll feeder, etc. Spare parts design and manufacture of 72D100 and 70D160 rotors of THYSSEN KRUPP company, counterattack rotors of HAZMAG KS1620, KS1822 and KS2237, and EV200X300 rotor of Danish FL.SMIDTH company. Praised by domestic and foreign owners.