Both Engineering Technology Co.,Ltd.(SHSE:601133) added to Shanghai Stock Exchange Composite Index

Both Engineering Technology Co Ltd is a China-based company that provides professional cleanroom system integration solutions. The Company provides a full range of one-stop clean room system integration solutions, including deepening, procurement, system integration, secondary distribution, operation and maintenance of industrial clean room, biological clean room and other project planning and design solutions. The solutions provided by the Company cover national key industries such as semiconductors and pan-semiconductors, new displays, life sciences, food, medicine and general health. The Company primarily operates its businesses in the domestic market.