求救！清真证明

唉，怪自己英语不好，想问下各位，下面的这份statement letter，冒号后面分别填写什么呀？i, who signed below后面要写吗？这个name后面是写公司名称还是填写人的名称呀 designation是表达什么意思？最最下面那个full name是写公司名称吗？ statement letter i, who signed below,??: name? ? ? ? ? ? ? ? : designation? ? ? ? : with this letter, we certified that the ingredients of the product that we supply to xxxxxxxxxxxxxxxxxxxxxxx this statement letter is made with full accuracy to be used for halal certification purposes only. 5,2013? ?(mm, yyyy) signed below, (signature) (company stamp) (full name)