Shandong Shuangfeng Heavy Industry Machinery Co., Ltd is a professional manufacturer of construction machinery and general machinery with “ShuangFeng�brand. With abundant technical power and advanced system of measuring and quality certification, we mainly manufacture the products like below:   Tower Crane with most specifications such as QTZ125, QTZ80, QTZ63, QTZ40, QTZ31.5, QTZ20 etc; the Construction Elevator like SC200/200,SCD200/200 series; JS and JZ series Concrete Mixer; PLD series Concrete...
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