Nanjing Tong Chang Environment Tech Co., Ltd.
Ma ka hana pū ʻana me ke alakaʻi ʻana i ka hui R&D ma ka home a ma waho, hoʻomohala ʻo TongChang i kekahi mau palapala ʻenehana.E nānā i mua i ka hoʻokumu ʻana i ka pilina lōʻihi me ʻoe.
LinkedIn:https://www.linkedin.com/company nanjing-blue-sky-filter
Twitter:https://twitter.com/BlueSkyFilter
Youtube: https://www.youtube.com/channel/UC5Khydiru5QdeYmnzFjuHAA
