Wuzhou Sun Shine Forestry & Chemicals Co., Ltd. of Guangxi (WSSFC) is a leading manufacturer and supplier of rosin products. It is a state-owned enterprise under Guangzhou Industrial Investment Holdings Group Ltd. (GIIHG), with a registered capital of RMB 70 million. The company has been recognized as a National High-Tech Enterprise since 2009, designated as a National "Little Giant" Specialized and Innovative Enterprise in July 2022, and awarded the title  of Guangxi Manufacturing Single-Item Champion Demonstration Enterprise for its "Hydrogenated Rosin Product Series" in 2025.

WSSFC‘s major products and the corresponding capacities are: Gum rosin 45,000MT, Turpentine 6,000MT, Modified rosin and various kinds of rosin esters 42,000MT, Hydrogenated rosin 10,000MT, Disproportionated rosin 15,000MT, Disproportionated rosin potassium soap 5,000MT, Water-based tackifying emulsion 3,000MT, Food grade ester gum 8,000MT. 

The "Longzhou" brand of gum rosin, hydrogenated rosin, and light-color pentaerythritol ester are recognized as famous brands in Guangxi. These products are widely used across industries such as adhesives, coatings, inks, soldering, and food, and are exported to more than 40 countries and regions, including Japan, the United States, Europe, and Southeast Asia.