申请加拿大签证一定要在职证明吗

自己写好，然后找公司悉唯盖章。
要求如下： 1、公司在职证明一份，必须是英文的 2、使用公司正规抬头纸打印，并加盖公司红章. 3、公司在职证明内容需包括：有公司抬头的盖章的信纸，并提供有关信息：你的职位，在职时间茄陆宏，工资，准假人员的名字，职位和联系方式，此次旅行费用由谁支付；此信包含雇主姓名、地址、电话及传真。 4、同一单位的申请人必须以名单的形式打在同一份抬头纸上，而且每人都要提供担保原件。
范文颤册如下：
公司抬头信纸打印Employment Certificate

This is to certify that Mr.Wang Jinbo, date of birth:11 Sep 1973, passport No.G27342921, has been working for our company since 2002 as Manager, his salary per month is RMB 50,000. Our company allow him to go to Canada in June 2011. In addition, we guarantee that he will comply with the local law and be back to China on time. He will cover all costs during his stay. We will remain his public employment in China.

Marubao Dress09 May 2011