Brenda-medecine(AT)hotmail.comWe are a professional Chinese manufacturer for kinds of biotechnological material as below.OEM is also accepted.The purtity can reach 96%-98%.HGHIGF-1 LR3IGF-1SCFEGFKGFbFGFaFGFKFG-2IFNWe are doing the business since 2010, and has established stable relationship with worldwide partners.Our advantageRelaible qualityCompetitive priceMOQ: 20gPayment term: Paypal or western union Delivery time: PromptIf you have any interest ,please contact us at your earliest convenience.