Who we are We are Concord Technology (Tianjin) Co.,ltd, a manufacturer which specialized in the R&D and production of high purity chemical reagents and pharmaceutical intermediates. The main products include LC-MC grade solvents, HPLC reagents (GG grade,PA grade and PREP grade), Karl Fischer reagents, Anhydrous solvents, high purity solvents, gas chromatography standards etc. Our production base was covered an area of 25000 square meters, with 6 production lines. The annual output of HPLC reagents is more than 6000tons.