order process:

1. Customers browse website products

2. Online purchase (online banking, Alipay, WeChat), transfer to the public (please inform us after remittance)

3. Billing information (if you need an invoice, please send it)

4. The company sends goods and invoices



Description of shelf life:

If our nanomaterials have no special instructions on the webpage or product information, our general warranty period is clearly within six months from the receipt of the goods, and the special storage requirements shall be implemented according to the webpage or manual. If it exceeds six months, it is recommended to purchase a new batch of products. If you really need to continue using the product that has expired, please contact our company, and our company will give some reasonable suggestions.



Characterization material copyright description:

The copyright of the characterization data of the products released by our company is owned by our company. If customers need to promote or publish articles, please re-characterize and test independently. Do not directly quote our data to avoid intellectual property disputes.