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  • October 16, 2015- Rongxing announced the launched of its China's largest 63 OTR building drum and 5763 OTR belt drum. The external diameter of the 63 goes up to 2 meters, which uses the latest structural design, effectively solved the problem of oversized shrinkage ratio of the drum. The external diameter of 5763 belt drum is processed in the 4-meter large lathe in the machining workshop, which goes up to 3.8 meters.
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