Uncoated Cupstock Paper For Cup Bottom Production

In the global food and beverage packaging value chain, the structural integrity of a paper cup is heavily reliant on the performance of its bottom. While the cup body provides the visual and structural canvas, the bottom disc bears the continuous hydrostatic pressure of liquid and the mechanical stress of handling. Uncoated cupstock paper acts as the foundational raw material for this critical component, delivering the precise balance of thickness, stiffness, and absorption properties required before undergoing coating and high-speed forming processes.

The production of cup bottoms requires a highly specialized grade of paperboard. Unlike the cup body, which is typically printed and requires specific surface smoothness for visual aesthetics, the bottom paper must prioritize mechanical runnability and heat-sealing efficiency. Uncoated cupstock paper intended for cup bottoms must exhibit exceptional dimensional stability and uniform moisture distribution to prevent curling or wrinkling during high-speed slitting, punching, and deep-drawing processes.

Nanning Paperjoy Paper Industry Co., Ltd. (“Paperjoy”) was established in 2006. Over nearly two decades of dedicated development, the company has grown to employ over 200 highly-trained professionals and covers a modern production footprint exceeding 15,000㎡. Paperjoy is a professional manufacturer of raw materials for paper cups and packaging boxes, specializing in producing premium-grade PE coated paper roll, paper cup fan, cup bottom reels, and C1S ivory board. The factory boasts an annual production capacity of 60,000 tons, ensuring stable supply and rapid fulfillment for global brands.

Ideally located at the heart of the Nanning City Economic Zone, our facility benefits from exceptional logistical connectivity. We are situated close to the Qinzhou Port and the Beibu Gulf in South China, facilitating seamless international shipping to Asia, Africa, Europe, North America, and South America. Our business philosophy is built upon the pillars of “Honesty, Mutual Benefit, and Win-Win Cooperation.”