સંપર્ક કરોus ફોન:+86-021-69925189 ઈ-મેલ: cathering@tianjiachemical.com ફેક્સ: 021-51952599 Whatspp: 008613816573468 સરનામું: R-408, Zhongji Mansion, No 819-1, Yinxiang Rd, Jiading Area, Shanghai, China