Y & R, sau npe hauv Tianjin Dawb Trade Tsam (FTZ), lub tuam txhab tau rov qab los ntawm Kingchem International Ltd uas tau tsim thawj xyoo 2012. Peb tau koom nrog kev tsim khoom thiab xa tawm ntau qhov lag luam tshwj xeeb ntawm cov khoom lag luam tshwj xeeb, raw khoom, ntxiv rau , intermediates thiab cov kuab tshuaj rau lub ntiaj teb kev kho mob / tus kheej saib xyuas, chaw muag tshuaj, khoom noj, H & I thiab lwm yam kev lag luam Hi-Tech.