Putus Macromolecular Sci. & Tech.Ltd is an international company who initially focused on research and development of high quality carbohydrate standards for research and industry. Applying our patented innovative technology, Putus Macromolecular Sci. & Tech.Ltd has expanded to the manufacture of protein-related reagents, antigens/antibodies and ELISA kits. Putus has three wholly owned subsidiary: Putus, MER&CIEL, and Yaleisa. Putus engages to provide high quality carbohydrate standards with a wide range of Mw. It is noted that our carbohydrate standard (PS-EA) for the determination of enzyme activity is designated to be the Standard for Relevant Industry Performance by China Biotech Fermentation Industry Association. Yaleisa engages to provide test and diagnostic kits for animal disease and food/feed safety, as well as professional consulting and technical support for stockbreeding enterprises, food processing enterprises, and inspection organizations in Mainland of China, HongKong, Germany, Spain, Finland, Norway, Sweden, United States and Canada.

Presently Putus Macromolecular Sci.&Tech.Ltd has established long-term relationship with customers in Asia, Europe, and North America. The customers include universities, research institutions, pharmaceutical companies and industries.

MER & CIEL is one of the core brands of Putus Macromolecular Sci. & Tech.Ltd. We offer kits, reagents, service and technical support that enable researchers and clinicians to test and diagnose molecules and proteins of interest. Applying innovative techniques including high-density cell culture, large-scale protein production, and Mw-cutoff spin column purification of protein, MER & CIEL has prepared and commercialized over thousands of antigens and antibodies of high purity and specificity. Presently we offer highly specific monoclonal and polyclonal antibodies, antibody pairs, and high quality ELISA kits. We also offer software for massive data analysis of ELISA. We provide pro