Nanjing Tong Chang Environment Tech Co., Ltd.
Nekushanda nekutungamira R&D timu kumba nekune dzimwe nyika, TongChang inogadzira akati wandei ehunyanzvi patent.Tarisira kumisa hukama hwekubatana kwenguva refu newe.
LinkedIn:https://www.linkedin.com/company nanjing-blue-sky-filter
Twitter:https://twitter.com/BlueSkyFilter
Youtube: https://www.youtube.com/channel/UC5Khydiru5QdeYmnzFjuHAA
