--  The head wheel adopts the technology of inserting glue or wrapping glue to enhance the friction, prevent the dustpan belt from slipping, and the waist drum structure effectively prevents the dustpan belt from running off;
      --   The hoist head is provided with observation window and explosion relief opening, which meets the requirements of safety and explosion protection;
      --  The cylinder body adopts the unique folding and assembly technology , which has high strength and good sealing property;
      --  The machine base uses the new type axle end seal structure, prevents the dust leakage;
      --  Equipped with anti-reversing device, to avoid power failure caused by the blockage problem;
      --   Equipped with stall and zero-speed detection device;
      --  Choose reinforced dustpan and high-strength polyurethane tape, long service life.