Silver Grant International Holdings Group Limited formerly known as International Industries Limited, was incorporated on January 27, 1960 and was listed on The Main Board of The Stock Exchange of Hong Kong Limited on February 23, 1973 (stock code: 00171.HK). In May 1993, China Construction Bank and the former China Nonferrous Metals Corporation became the shareholders of International Industries Limited and it was renamed as Silver Grant International Industries Limited in October 1993. Since 1993, China Construction Bank, China Nonferrous Metals Corporation (former), China Cinda Asset Management Co., Ltd. and China Guangdong Nuclear Power Group Co., Ltd. have successively become the substantial shareholders of the Company. On October 31, 2018, Zhuguang Holdings (stock code: 01176.HK) became the largest shareholder of Silver Grant International. By now, Silver Grant International Holdings Group Limited inherits the past, strives for innovation, and adheres to the enterprise spirit of "integrity, professionalism and enterprise" to achieve diversified development of petrochemical products production and sales, new energy and investment,  property leasing, etc. The projects are widely distributed in Guangzhou, Taizhou, Beijing, Hong Kong and other places.