范文一

　　july 11, XX

　　to whom it may concern,

　　this is to certify that mr. shu duly passed the qualification examination as a mechanical engineer and has been granted a certificate, taikong no. 6314 dated february 3, 1982 to this effect by the ministry of economic affairs.

　　k. a. wang

　　director general

　　范文二

　　december 1, XX

　　to whom it may concern,

　　this is to certify that mr.(ms.) xxx has been working in xxxxxx(工作单位) as xxx(职位). mr.(ms.) xxx has been entitled to a monthly salary rmb xxxxx in total.

　　sincerely yours,

　　xxx(证明人)

　　dean of school of software / chief executive officer(证明人职位)

　　xxxxxxxxx(单位名称)

　　1234567(电话号码)