Trigonal Concourse Inc.(TCI), established in 1995, is a comprehensive group corporation whose business scope covers R&D, manufacturing, trading and investment of agrochemicals and fine chemicals. To expand business in China , we established TCI Qingdao Branch in 2006 as a flagship to manage affiliated toll manufacturing plants and one international trading firm with about 700 employees. Through continuous efforts, TCI is known as a stable supplier of products and services for many multinational enterprises worldwide. On the current economic arena of globalization and of sharp competition, TCIis in all time your reliable partner!