Nanjing Tong Chang Environment Tech Co., Ltd.
Andeems Dir mat féierende R&D Team doheem an am Ausland schafft, entwéckelt TongChang eng Rei technesch Patenter.Freet Iech laangfristeg Zesummenaarbecht Relatioun mat Iech opzebauen.
LinkedIn:https://www.linkedin.com/company nanjing-blue-sky-filter
Twitter:https://twitter.com/BlueSkyFilter
Youtube: https://www.youtube.com/channel/UC5Khydiru5QdeYmnzFjuHAA
