Jan 26, 2022 · was founded in Dec. 2000, specialized in manufacturing tower cranes and construction elevators, we are pioneer of Chinese tower crane industry. At present our products cover 9 series and more than 20 models, such as QTZ50, QTZ63, QTZ80, QTZ125, QTZ160, QTZ250, QTZ315, QTZ500, SC200/200 , the ...
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