Training of suppliers, partnership As part of the development programs, UC RUSAL provides comprehensive training for internal and external suppliers in the following areas: QMS tools (SPC, MSA, and PPAPtion) methods of solving problems 8D requirements of UC RUSAL to suppliers, cas­ cading customer requirements further to sup­ pliers In the framework of joint work, improvements and optimization of requirements for incoming raw materials and suppliers are introduced on the basis of advanced world experience and scientific research of manufacturing enterprises (suppliers).