How do you pay for your reference material? pay
How do we pay for your products? Do you support cash on delivery?
Answer: Dear, the payment methods include public transfer, bank card transfer, and Alipay and WeChat payment. We do not have payment collection business. Generally, you need to pay first, and we will ship later. If we establish a long-term cooperative relationship, we can apply for a post-payment credit line according to your credit history, please contact our customer service.




