参展企业在详细了解本展会后，认真填写《参展合约书》并加盖公章后，传真回组委会。
After carefully understanding the exhibition, exhibitors need to fill out the "exhibitors Contract" carefully with company stamp before faxing it to the organizing committee.
公司公章、经营资质证书的保管和维护，并确保它们被正确使用，如经营资质证书企业联合年检；
Keeping and maintaining company chops and certificates, and ensure them used rightly, such as certificates annual union audit.
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.
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