Please confirm the following information before making an inquiry:

1. Please confirm whether the product you intend to purchase is glycerin, propylene glycol, or a vaccine adjuvant-related product.
2. Please confirm the required purity, grade, and specifications of the product.
3. Please provide the estimated order quantity and destination port.

If your inquiry is for products other than glycerin, propylene glycol, or vaccine adjuvants, please send us a detailed inquiry request so that we can ensure smooth and efficient communication.