• Welcome to Yanfen Biotech LLC! We're thrilled to announce the launch of our new website in January 2024, continuing our commitment to providing top-quality products.

Working hours: Monday to Friday 9:00-18:00

In stock: Products displayed as in stock can be ordered online and shipped within 24-48 hours after payment.

Ordering: For products with inventory of 2-3 days, please contact customer service to confirm the specific delivery date. Once the product is ordered, returns and exchanges are not supported.

 

Delivery instructions:

1) The delivery time on Saturdays, Sundays, and statutory holidays will be postponed sequentially;

2) For customers who choose logistics transportation, please consult customer service at (city/county) before placing an order;

3) For areas and delivery points where freight vehicles cannot pass through, or where freight vehicles cannot be parked, the area belongs to remote areas and cannot be delivered. Please choose a different delivery location (address) or pick up at the branch;

4) If the recipient's contact phone cannot be reached, the phone is shut down, or the product is shut down, please bear all risks and costs such as being returned, charged storage fees, or lost.

5) For highly corrosive and dangerous goods, delivery to residential and commercial buildings is not allowed.

6) If you encounter a freight company charging the freight again (repeatedly), please contact customer service immediately for handling.

7) Items that have already been shipped cannot have their address modified. If you change the address without authorization during transportation, resulting in the loss or detention of the goods, the seller shall not be held responsible.