Sino Alliance of Green Development of Silicon Industry, short for SAGSI, is a public welfare platform at service of the green development of the silicon industry. SAGSI, formerly known as China Silicon Materials Information Center, was established in 2008. In 2012, it was transformed into a national industry organization managed by the acting sector in Chinese mainland, namely Small-/Medium-scale Enterprises Working Committee of the Petrochemical Federation. In 2021, SAGSI was officially registered in Hong Kong.

SAGSI aims to facilitate the green, healthy and high-quality development of various segments in the silicon industry value chain, encompassing sub-sectors such as organic silicon, polysilicon, silicon metal, silica and high-purity quartz. Its establishment goes for as follows: industry research and comparative analysis, the publication of green development indicators and reports for the industry, as well as the promotion of technological innovation within the industry to achieve emission reduction goals, etc.