Dear Customer:

When purchasing hazardous chemicals, the following regulations must be observed:

1. Hazardous chemicals business units are not allowed to purchase hazardous chemicals from enterprises that have not obtained the "Hazardous Chemicals Business License".

2. Hazardous chemicals units are not allowed to purchase hazardous chemicals from hazardous chemicals production enterprises that have not obtained the "Work Safety License".

3. Hazardous chemicals units purchasing hazardous chemicals shall not entrust units without the qualifications for transporting hazardous chemicals to transport such chemicals. No unit without the qualification for transporting dangerous chemicals shall be entrusted to a dangerous chemicals sales unit. The transported dangerous chemicals shall be inspected and stored in the warehouse.

4. When purchasing highly toxic substances, units dealing with dangerous chemicals must obtain a license issued by the public security department for the purchase and transportation of highly toxic substances.

5. When hazardous chemicals units purchase hazardous chemicals, it is necessary to require the production or operation units of hazardous chemicals to ensure the completeness and consistency of the "Chemical Safety Data Sheet" and the "Chemical Safety Label" of the purchased hazardous chemicals.

Please be sure to prepare the following purchase materials in advance before purchasing the products of our company:

(1) When purchasing, agent customers need to provide the following materials:

1. Business license of enterprise legal person (with the company's official seal affixed)

2. Hazardous Chemicals Business License (with the company's official seal)

3. A copy of the legal representative's ID card (with the company's official seal)

4. A copy of the purchaser's ID card (with the company's official seal)

(2) Terminal users need to provide the following information when purchasing:

1. Business license of enterprise legal person (with the company's official seal affixed)

2. A copy of the legal representative's ID card (with the company's official seal)

3. A copy of the purchaser's ID card (with the company's official seal)

4. Legal Use Description (stamped with the company's official seal)

Thank you for your care for our company and trust in our products. In order to safeguard your legitimate rights and interests and avoid purchasing counterfeit and shoddy products, the relevant matters are hereby informed as follows:

1. Our company's products have not been sold on any Internet platforms, including websites, wechat, Douyin, etc.

2. If you wish to purchase our company's products, please come to our company with your business license and other relevant certificates to receive your letter.

3. When purchasing and using our company's products, please abide by relevant national laws and regulations to protect your rights and interests.