On 21^st Dec. 2011, hot testing of Φ140mm A-R line was succeed by first testing. This line is design and manufacture by TZCE for Xinye Special Steel Co., Ltd. The rolling way for this line is mandril moving limited minor-cycle rolling, it use for seamless pipe hot rolling which OD is Φ90～180mm, WL is 5.49～22mm. Annual output by design is 100000t, and it can production oil sleeve pipe, vehicle semi-axis, hydraulic prop, and low & medium-pressure boiler pipe, etc.