HVAC duct auto making line machine Air condition square ...
2021-1-8u2002·u2002the following is for HVAC duct auto making line machine Air condition square duct production line VI, U shape pipe making line . this U Shape automatic duct forming line is exported in 2018, and Primapress technician fly to Vietnam to do installation and training . So every duct pipe forming machine are working perfectly and make big money for ...
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