Roll-up open and close machine: ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye k Double hanging roll-up opening and closing machine ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc Roll-up opening and closing machine ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot ye rot. China cï looi ku jɔl ya luɔɔi ye: 6000kN, 30m, 4000kN, 120m.

Roll-up and closing machine is usually a gate with a single opening and closing device, and installed on the top of the gate slot, and today's China has manufactured and put into operation the roll-up and closing machine's capacity has reached the opening force 6000kN, opening and closing trip 30m with the opening force 4000kN, opening and closing trip 120m. O ye mɛn ye, a ka tɛ̈n tɔ̈ɔ̈u:

1. Roll up and close machine divided into fixed and mobile type, and with steel wire or steel wire wheel set as a hanger to connect with the gate and through gear drive system to make roll up cylinder round, put steel roll up and close machine so as to drive the lift is fixed type roll up machine, with a simple construction, easy to manufacture, maintenance and maintenance convenient features, can be widely used in various types of gate opening and closing.

2. Roll up and close machine can be divided into single hanging point and dual hanging point, and dual hanging point roll up and close machine is by connecting axis to connect two single hanging point open and close machines together for synchronous operation, can be made into a side drive or two side drive