Melanotan

Established in 2008 and based in Pudong, Shanghai, QYAOBIO (ChinaPeptides Co., Ltd.) is a manufacturer and service provider specializing in peptide synthesis, protein and antibody preparation, and related intermediates and fine chemicals, with a product range spanning proteins, peptides, amino acids and derivatives, hormones and other antibiotics. Its facilities maintain a 99.99% pure nitrogen production environment and use liquid nitrogen pre-freezing technology to preserve peptide stability, verifying every peptide sample through both HPLC and mass spectrometry and applying a double Kaiser test at each solid-phase synthesis step, achieving synthesis success rates above 99% for peptides and proteins/antibodies alike; delivery can be as fast as 3 days for peptide synthesis, 1 week for protein preparation, and 4 weeks for antibody customization, with optional solubility testing, endotoxin reports and salt-conversion services. The company holds multiple patented technologies covering peptide synthesis, purification and freeze-drying, keeps tens of thousands of peptides in regular stock, and has served more than 50,000 customers across over 50 countries including major pharmaceutical companies such as Roche and leading research universities, offering OEM, ODM and own-brand production with around 20% of sales exported and standard competitive advantages in brand strength, international certification, delivery speed, production capacity and a rich product line.