Sermac Concrete Pump Parts First Casting Elbow 7 Inch Double Layer
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...20 days Application Cifa Boom pump Casting elbows now mostly adopt negative pressure casting. When modeling, first cover a layer of plastic film on the template, use a vacuum pump to suck the film tightly on the template, then put on the sand box, and then...
Hunan Longtone Construction Machinery Co., Ltd.
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