Guangdong Huiyun Titanium Industry Corporation Limited (formerly known as Yunfu Huiyun Titanium Dioxide Co., Ltd.), established on September 28th, 2003, is located inside the base of Cyclic Economy Industrial Park in “Sulfur Centre of China” that’s Liudu Yun’an District, Yunfu City, Guangdong Province. Huiyun was on new OTCBB on January 11th, 2017, with the short name of “HUI YUN TITANIUM INDUSTRY’ and stock code as 839598. It’s a large modern refining chemical enterprise taking TiO2 production as its core business, with refining acid, steam resuing, heat Co-generation, Co-product Ti-gypsum and polymerized ferrous sulfate as the supporting industry.