Nanjing Tong Chang Environment Tech Co., Ltd.
Amin'ny fiaraha-miasa amin'ny ekipa R&D mpitarika an-trano sy any ivelany, TongChang dia mamolavola patanty ara-teknika maromaro.Manantena ny fananganana fifandraisana maharitra miaraka aminao.
LinkedIn:https://www.linkedin.com/company nanjing-blue-sky-filter
Twitter:https://twitter.com/BlueSkyFilter
Youtube: https://www.youtube.com/channel/UC5Khydiru5QdeYmnzFjuHAA
