Dear Sirs, We are Nanjing xiangshengtai industry limited company,have a need of 1000tons/year of Ortho Toluenediamine ,which is by product of TDI (toluene diisocyanate) Please send your quote along with TDS and MSDS. also you can call us (86-13914781109). please see attached email address::julia xstchem.com Best regards, julia NANJING XIANGSHENGTAI INDUSTRY CO., LTD Room 206, No.2 Of Xinchengfazhan Zhongxin, No 126 of Tianyuan Zhong Road,Jiangning,Nanjing City,China. Tel: 86-25-84801979 Fax:86-25-84801979 Show More