1）Contact us at: +86-(0)-18115476705 or sales@tgpeptide.com；
2）Provide us peptides information including Sequence, Purity, Quantity and modification(If necessary, we agree to sign confidential agreement with you before you provide these information), we will make you a quotes within 30 minutes;
3）Place us a purchaser order, we can send you a sales contract too if you need;
4）Start synthesis, and we will inform you the updates of synthesis in time;
5）Arrange shippment, HPLC analysis, MS spectrum will be shipped along the peptides too;
6）Refund all pre-payment(if pre-pay us) if we failed to synthesize any of them.
7) After-sale service: Contact us anytime if you have any problem when you use the peptides, and we will reply you as soon as possible.