ZTT embarked on optical fiber communications in 1992, accessed to the “smart grid” in 2002, and commenced work on renewable energy products in 2011.The products of ZTT are exported to 160 countries and regions, and the businesses of ZTT have achieved full coverage of countries and regions along the Belt and Road. ZTT follows the new economic model of fostering cleaner production and accelerating green and low-carbon development, works hard to serve as the pioneer of persistent endeavor to achieve national goal involving carbon dioxide emissions peaking by 2030 and carbon neutrality by 2060, emerging as a green manufacturing technology group assuming regional economy.