... %~3.20% Anhui Ningguo Jinhong wear-resistant Materials Co. Ltd is a professional enterprise specializing in manufacturing ... Zhongxi industrial park which adjacent to Huangshan,Shanghai,Hangzhou,Nanjing,Hefei city,and the Nanjing Lushang and Hangzhou xiaoshan international ... materials,metal mine,coal slurry thermal power plant,chemical engineering,ceramic industry,dope industry ,light industry some ...