请根据下面已填写好的托收汇票,回答相关问题。
BILL OF EXCHANGE
号码 汇票金额 上海
No. HLK356 Exchange for USD 56,000.00 Shanghai, 2008-10-17
见票 日后(本汇票之副本未付)付交
At 90 DAYS AFTER sight of this FIRST of Exchange(Second of Exchange being unpaid)
pay to the order of BANK OF CHINA,SHANGHAI BRANCH
金额
the sum of SAY US DOLLARS FIFTY SIX THOUSAND ONLY
此致
To MITSUBISHI TRUST & BANKING CO. LTD.,
4—5 MARUNOUCHI 1—CHOME
CHIYODA-KU,TOKYO 100,JAPAN CHINA NATIONAL ANIMAL BYPRODUCTS
IMP. & EXP. CORP. SHANGHAI BRANCH
(1)汇票出票人、付款人分别是谁?