I-Nanjing Tongchang Environment Tech Co., Ltd. yasungulwa ngo-2018, e-Nanjing, eSifundazweni saseJiangSu, esise-Shanghai Economic Circle.Ibhizinisi lethu eliyinhloko ukukhiqizwa nokudayiswa kwemishini yokuhlanza umoya namanzi kanye nezinsiza ezisekelayo.