1990年苏联科学技术博士H.C.马尔茨访问中国时,将1989年版、《串联法生产氧化铝的新进展》一书赠送给贵州铝厂。马尔茨是全苏铝镁设计研究院氧化铝工艺研究室主任,他根据苏联使用串联法从低品位铝土矿中生产氧化铝 When H.C. Maltz, the Soviet Union’s science and technology doctor, visited China in 1990, he presented the 1989 edition of New Progress in Series Production of Alumina to Guizhou Aluminum Plant. Maltz was director of the Alumina Process Laboratory at All-Su-Al-Mg Design and Research Institute. He produced alumina from low-grade bauxite using the tandem method in the Soviet Union