JinFu Technology Co., Ltd. JinFu Technology Co., Ltd. engages in the research, development, design, production, and sales of plastic packaging products primarily for beverages and food applications in China and internationally. Founded in 2001 and headquartered in Dongguan, China, the company listed on the Shenzhen Stock Exchange in 2020 under ticker 003018.SZ and offers core products including plastic anti-theft bottle caps for bottled drinking water (such as 3025, 2925, T2925, and 1881 covers), functional beverages (38mm and 1881 covers), bucket drinking water (PC bucket covers and 4.5L bucket covers), novel pull-ring caps for carbonated beverages in glass or aluminum bottles, plastic composite caps for condiments like soy sauce, milk product packaging caps, and other specialized packaging solutions; it operates subsidiaries such as Guilin Xiangzhao Technology Co., Ltd. and Hunan Jinfu Packaging Co., Ltd. to support its manufacturing footprint. In recent developments, JinFu Technology plans to acquire no less than 51% equity in Guangdong Lanyuan Technology Co., Ltd., triggering five consecutive daily limit-ups as of late November 2025; the company shifted investments in 2024 from its plastic cap production base expansion toward a metal cap project and is pursuing an AI pivot to diversify beyond traditional bottle caps.