泰国大使馆双认证：

1、需一式两份，使馆只收一份认证费。

2、需泰文或英语译文。

3、商业单据须做成证明书形式。

4、山东省出具的文书送驻青岛总领馆认证。

泰国大使馆双认证文书：

1、商业文书：授权书、商事证明、营业执照等

2、民事文书：亲属关系、出生证明、结婚证、驾驶证、学历证、未刑公证书等

中国外交部和土耳其大使馆双认证

Double Certifications of Thai Embassy:

1. In duplicate. The embassy will only charge one certification fee.

2. Thai or English translation is required.

3. Commercial documents must be in the form of certificate.

4. Documents issued by Shandong Province shall be sent to the Consulate General in Qingdao for authentication.

Double certificate of Thai Embassy:

1. Business documents: letter of authorization, commercial certificate, business license, etc

2. Civil documents: kinship, birth certificate, marriage certificate, driving license, education certificate, notarial certificate, etc

The Chinese Foreign Ministry and the Turkish Embassy have two certifications