d）所有的合作事项都需要签订保密协议，我们不向社会及其他客户泄露委托商

d) All cooperation matters need to sign a confidentiality agreement. We will not disclose the information of the entrusting company to the society and other customers, and we will not provide any OEM certification materials related to our company;

d) All cooperation matters need to sign a non-disclosure agreement, we do not disclose to the community and other customers the information of the principal, but also do not provide any of our relevant contract certification materials;

d) All cooperation matters need to sign a confidentiality agreement. We will not disclose the information of the client to the society and other customers, and we will not provide any relevant OEM certification materials of our company;