企业授权第三方或者个人维护其微博的授权函加盖公章或法人签字。
An Authorization Letter for maintaining the Weibo account to operation person or third part. The document should be with Company's seal or legal person's signature.
一个评估事务所或公司在有权负责的经理人员签字的条件下使用法人印章。
An appraisal firm or corporation may properly use a corporate signature with the signature of a responsible officer.
保证金退款书面申请：申请应注明本公司退款账号，由公司法人代表签字并盖公章；
Written application for margin refund: indicate the corporation accounts clearly in the application which signed and sealed by the company legal;
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