1.CBCSD Board member or member company send invitation to the company that applies for CBCSD membership; or the company directly submits the membership application to CBCSD.

2.The company fixes the CBCSD registration form and submits it to CBCSD Board.

3.CBCSD Board discusses and approves the application.

4.CBCSD sends the approval of CBCSD membership and formal welcome letter to the company.

5.Registration, membership fee payment and other formal procedures.