BEIJING物联网软件开发价格, Sept. 4 (Xinhua) -- The intellectual property cooperation between China and Belt and Road Initiative (BRI) partner countries has been strengthened over the past decade, with digital and green patents emerging as prominent aspects o
Traders learn about bamboo winding composite pipes at the environmental services exhibition of the 2023 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 2, 2023.(Xinhua/Li Xin) by Xinhua writers Zhou Qianxi