Can you give me the names of other people who use this product?
Because we value and respect the privacy of our customers, we will not give out their names. If there are published references available for the product or application that interest you, we encourage you to contact the authors or find out the references.

Can I have a free sample to see if this will work in my system?
It is not customary for us to give out free samples. But if you place a bulk order next time, the sample fee will be subtracted from the price of the next order. Usually a 1 kg order will receive 1 g free sample.

Can I get a different quantity of this product?
Now the package of N-acetylneuraminic acid varies from 1g, 10g, 100g, 1Kg, 10Kg and bulk. Also, we strive to meet our customers' needs and will change the way we package a product if enough people want us to change it.

May I order a specific lot?
You may request a specific production lot of our product when you place your order, but we cannot guarantee it will still be in stock.

How long will it take you to deliver goods after receiving order?
Usually prepayment is required. In the case of small and medium quantity order, we will arrange the delivery within one day (except public holiday) once the prepayment is confirmed. In the case of large quantity order, the terms may be discussed further.