All synthetic peptides are analyzed by HPLC and MS by Biolink QA&QC Team after they approved the quality and leave the factory. We also can supply you with 3 ^rd   testing report like Janoshik.

3. How to preserve peptides after receiving them?
Peptides in the form of lyophilized powder can be transported at room temperature by vacuum packaging, while polypeptides in the dissolved state need to be refrigerated at 2°C - 8°C. For long-term storage, peptides should be stored in the form of lyophilized powder store at -20°C or -80°C in a sealed container with desiccant, which can avoid the degradation of peptides to the greatest extent.

4. What is your payment term?
  T/T, Western Union PayPal, and BTC. This is negotiable.

5 .  What about the after-sale service of products?
After purchasing the products from our company, we have  A professional technical team and after-sales team  to serve you and solve all your problems in the future.

6.  Do you have samples for our reference?
Sure,we can provide  free samples , but the customers will pay the freight.

7.  What about the delivery time?
It depends on the quantity. Usually, we can ship  within 2-3 days   after confirming payment. (excluding Chinese holidays). 5-10 working days  to reach your address.

8.  How to confirm product quality before placing an order?
Confirm the product quality You can  send us  your product specifications and parameter requirements , we will  manufacture the product  according to your parameter requirements or provide  according to the sample quality parameters.