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D-dustbin trash and trailer combination not only saves material, at the same time make it more convenient for our garbage collection. D-dustbin can be prevented in the corner, save space.
YanShan University
Hebei,Qinhuangdao, China
YanShan University
Hebei,Qinhuangdao, China
Zhiqiang Wang
Bin Zhang
Huijiun Shi
Ke Cao
