Md. Afzal Karim, CEO & Managing Director of Sonali Bank Limited and Engr. A.M. Khurshedul Alam, Managing Director of Bangladesh-China Power Company (Pvt.) Limited (BCPCL), exchange documents after signing an agreement at the bank's head office in the capital on Monday to hold and maintain the accounts bank and security agent bank (onshore) of under implementing Payra 1320 MW Tharmal Power Plant Project at Patuakhali with the Financial assistance of lender organization The Export-Import Bank of China.