Dear Customer:

You are welcome to enter the TSC online appeal, complaint and dispute interface. TSC has always been committed to providing customers with fair and high-quality services, and strictly abides by the professional ethics of certification and testing institutions. We sincerely welcome you to file a complaint, complaint or dispute here. Regardless of the channel, TSC has someone to handle your grievance, complaint or dispute.

TSC appreciates your trust!

● Office complaint hotline:

  + 86-512-5206 6651  tsc@tscglobal.cn

● Dedicated line for application and complaint of certification business:

  + 86-512-5206 6651  tscglobal@163.com