Nanjing Tong Chang Environment Tech Co., Ltd.
Uyda va chet elda etakchi ilmiy-tadqiqot guruhi bilan ishlash orqali TongChang bir qator texnik patentlarni ishlab chiqadi.Siz bilan uzoq muddatli hamkorlik aloqalarini o'rnatishni orziqib kutamiz.
LinkedIn:https://www.linkedin.com/company nanjing-blue-sky-filter
Twitter:https://twitter.com/BlueSkyFilter
Youtube: https://www.youtube.com/channel/UC5Khydiru5QdeYmnzFjuHAA
