Jiangsu Hengshang Energy Conservation Technology Co., Ltd.(SHSE:603137) added to Shanghai Stock Exchange Composite Index

Jiangsu Hengshang Energy Conservation Technology Co Ltd is a China-based company mainly engaged in the design, manufacture and construction of building curtain walls, doors and windows. The Company is mainly engaged in product research and development, engineering design, processing and production, installation and construction, and after-sales service of curtain walls, doors and windows. The Company mainly undertakes curtain wall, door and window projects for various buildings such as high-end office buildings, commercial complexes and residential buildings.