Zhejiang Juhua(600160.SS)
China's largest fluorochemical company (SHEX: 600160) based in Quzhou, Zhejiang; produces R-32, R-125, R-410A, and other HFC refrigerants at ~15% global HVAC refrigerant market share. Effectively locked out of US market by antidumping duties (101-216%) and 2024 circumvention rulings. China's largest HFC exporters (Juhua, Dongyue, Sinochem Lantian) supply Asian, European, and Latin American HVAC markets. Also produces HF acid, fluoropolymers, and PVDF — same Juhua Quzhou complex that produces HBM memory substrate chemicals also makes most of Asia's air conditioning refrigerant.