On 12th July, Mr Xifeng Wu, the director of the Jiangxi province wall material reform office ,Mr. Tianyin Yu, the director of Fujian province bulk office, and a number of building materials enterprises in Jiangxi province visited S.L Machinery. On 13th July, the researcher of Guangxi province wall reform office Mr. Yongzhen Qiu, the director of Fujian province new material office Pingping Lin, and...