Leon (Nanjing) Biotechnology Co., Ltd., established in 2014, is a subsidiary company of Nanjing Spec-Chem Group. It is a professional peptide high-tech company integrating research and development, production and service.

Leon Bio was awarded the "Nanjing peptide Engineering Technology Research Center" by the Nanjing Science and Technology Commission in 2017; in 2019. It was awarded the "Nanjing Beauty peptide Engineering Research Center" by the Nanjing Development and Reform Commission; and was successfully selected as the "Nanjing 2020 City Gazelle Enterprise"

Leon Bio has a 900m2 GMP plant workshop for polypeptide Purification equipment, freeze-drying and packaging in-line; it has established a strict quality management system, and built a GMP workshop in accordance with international standards, and a high-quality quality management team, SOP operation are strictly followed to bring out the company's effective quality assurance system.

It has many sets of large Solid-phase and Liquid-phase  Reactors，six sets of preparative HPLC system over 150mm, more than 20 sets of analytical HPLC system and many sets of Agilent HPLC （High Performance Liquid Chromatography, American waters HPLC, mass spectrometer.

Top-notch peptide synthesis and purification technology, built a fast and high-throughput peptide synthesis platform, several hundred thousand of peptides banks.

It can synthesize 2-120 amino acids, purity of 99% cosmetic beauty peptide, annual production capacity (lyophilized powder) more than 100 kg.

The company can satisfy the needs from different customers, provide customized services for universities and pharmaceutical research institutions, and can provide a variety of peptide modification services for customers.

Such as Isotope labeling (2H, 15N, 13C), PEG modification, disulfide bonds, KLH, BSA, OVA peptide-coupled modification; Modification of peptide such as acetylation, amination, methylation, biotin labeling, fluorescence, etc. The beauty peptides developed and produced by the company include: anti-wrinkle and anti-aging, whitening and Anti-Spot, tighten and repairing, soothing and anti-allergic, promoting hair growth, promoting hair turning black, removing eye bags and dark circles, breast enhancement and slimming and etc.

The core team of LeonBio is composed of senior experts and professors with more than 20 years of experience in the R&D and production of peptides. It has first-class liquid phase synthesis and solid phase synthesis technology, as well as mature and leading separation and purification technology, we are able to provide customers with various peptide-related technical services and products such as peptides technology development, drug R&D, custom synthesis, beauty polypeptides etc.

With independent intellectual property rights——The patented technology of polypeptide separation and purification, improves the market competitiveness of products greatly, Becomes a high-quality partner of many pharmaceutical factories, research institutes, universities and multinational companies in the daily chemical industry.

Pure Peptide，Pure Life.

This is the corporate philosophy and sacred mission practiced of our Leonians, and also the goal of our contribution to society.

In accordance with the spirit of Honest and pragmatic, pioneering and innovative, improving constantly, leading Leon Biotech's higher and farther development.

Hard-earned, serve customers with quality, head-up, Create future with technology.