ASTANA. March 15. KAZINFORM /Muratbek Makulbekov/ - Today NC Saryarka Socio-Entrepreneurial Corporation JSC and BankTuranAlem (BTA) JSC have signed a memorandum of cooperation. President of the board of Saryarka Socio-Entrepreneurial Corporation JSC Albert Rau and chairman of the board of BankTutanAlem Roman Solodchenko have become signatories of the memo. The partnership foresees joint implementation of a number of important projects concerning metallic and polycrystalline silicon. ”We are confident that cooperation with BTA will be very profitable and mutually beneficial,” Mr. Rau said.