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Chang Zhou ChangLang Gearbox Co., Ltd was established in 2007. Xiangyang Cheng the founding father of the company has engaged in this industry for twenty years. From its first day of operation till now, it has been concentrating in developing and manufacturing Cheng brand extruder gearbox and the products have passed the ISO9001.The company especially research and develop the high precision, high torque extruder gearboxes. All the gearboxes made by ChangLang are qualified with features of smart figuration, compact construction, low noise, high capacity and longer life, which were appreciated by the rubber and plastic machinery makers.
ChangLang will take advantage of the experience accumulated, and to be always looking at the demand of the customers to create the most innovative models. ChangLang would delicate ourselves to the rubber and plastic machinery field of the word and finally to be long lasting with customer together and also provide a new choice to the rubber and plastic market all of the world.
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