Where can I buy gold bars from Guo Ding?

Bank of China, Bank of Communications. China banknote printing and minting gold bars are produced and distributed by China Banknote Printing and Minting Corporation, and are exclusively distributed by China Banknote Guo Ding Investment Co., Ltd., and are sold in China Bank and Bank of Communications. Gold bars are made of precious metal gold, so gold bars, like gold, have a good function of preserving value.