Cyclen，1,4,7,10-Tetraazacyclododecane CAS NO.294-90-6

Shanghai JieJie Chemical Co., Ltd is a pharmaceutical and chemical enterprise for the research and production, it built in 2009. Our core business is custom synthesis and contract manufacturing for advanced and bulk APIs, Pharmaceutical intermediates, water soluble polymer and special chemicals, from gram to multitons scale. "Meeting the demand of customers" is our motto. We are confident to be your preferred outsourcing partner.Our aim is to be one of the reliable enterprises with the fastest development in the medicine industry in China, and to become an impactive medicine enterprise entering the international authority market in the world

The manufacture plant is established in Zhejiang and Shandong province, with fully equipped and scientific management, to meet the requirement of clean production.With the concept of customers highest

Our sales office and chemical laboratory are located in Shanghai, we own professional doctors who major in organic synthesis and chemical analysis guarantee the quality of our products