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20110817 Prestressed thick wall roller sleeve combined roller certificate
20110817 Prestressed thick wall roller sleeve combined roller certificate
20120620 (A stainless steel composite corrosion-resistant steel bar and its preparation method)
20120620 (A stainless steel composite corrosion-resistant steel bar and its preparation method)
20120905A recyclable roller ring and manufacturing method
20120905A recyclable roller ring and manufacturing method
20131016 Certificate of TiC TiB2-based metal-ceramic composite strengthening method for roller surface
20131016 Certificate of TiC TiB2-based metal-ceramic composite strengthening method for roller surface
20170118 Roller cooling device and cooling method
20170118 Roller cooling device and cooling method
20180403 Cemented carbide composite roller ring, composite roller ring assembly and composite roller ring manufacturing method
20180403 Cemented carbide composite roller ring, composite roller ring assembly and composite roller ring manufacturing method
20190319Automatic loading and unloading equipment for rod-shaped workpieces
20190319Automatic loading and unloading equipment for rod-shaped workpieces
20200221A steel bar continuous casting and rolling system and a steel bar continuous casting and rolling production method
20200221A steel bar continuous casting and rolling system and a steel bar continuous casting and rolling production method