certification chain

例句：

1. 1. The company's certification chain is the backbone of its reputation.
   公司的认证链是其声誉的基石。
2. 2.The certification chain is a crucial step in the process of verifying the authenticity of the product.
   认证链是验证产品真实性过程中至关重要的一步。
3. 3.The certification chain system ensures that all products meet strict quality standards.
   认证链系统确保所有产品都符合严格的质量标准。