... tips 2.2011 CCTV listed brand 3.Famous Brand of Hunan Province 4.ISO9001:2008 Certification 5.Customerized service Rixin Brand tungsten ... Rixin brand :1.2011 CCTV listed brand2.Famous Brand of Hunan Province3.ISO9001:2008 Certification4.Customerized service5.Standard production line6.the ... : No88 Mingri Road, Liyu industrial area, Tianyuan district, Zhuzhou city, Hunan province, China.