Hangzhou Go Top Peptide Biotech is a private, technology-based company, located in Hangzhou, China. We dedicate to provide full services to those worldwide pharmaceutical, cosmetic and biotech companies. We mainly specialize in the process development and manufacturing PEPTIDE , which is with the highest quality available for all research applications ; Besides, we also provide cosmetic peptides and custom peptide synthesis, HPLC purification and bio-test services.Main peptides: Bivalirudin, Eptifibatide, Oxytocin, Leuprorelin, Octreotide, Liraglutide, Linaclotide, Exenatide, Pramlintide, Thymosin beta4, Melanotan.Main Cosmetic peptide: Argireline 98%, Matrixyl 98%, SNAP-8 98%, Myristoyl Pentapeptide-17..eyeseryl 98%.Custom peptide Synthesis: from pilot to scale up scale, competitive price, fast tturn-around time and effiency delivery. Welcome to send inquiry to sales (at) gotopbio.com !!!