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Sinolong New Materials Co., Ltd.
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Sinolong New Materials is a global, innovation-driven enterprise rooted in film materials and driven by specialty materials, repeatedly listed among China’s 500 Most Valuable Brands. Guided by our core strategy of Multiple Industrial Chains, Cutting-Edge Tech, and Globalization, we are expanding into key materials for solid-state batteries, humanoid robotics, and advanced medical technologies. By further industrial integration and global operation, we are committed to building a world-class industrial ecosystem for new materials.
Xiamen Changsu Industrial Co., Ltd.
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Xiamen Changsu is a technology-driven enterprise integrating R&D, intelligent manufacturing, and marketing. As a globally recognized leader in high-performance films, it leads the world in the production and sales of functional BOPA films. The company pioneered 4th- and 5th-generation film technologies, with several self-developed products successfully replacing imports and filling gaps in high-end markets both in China and internationally. At the forefront of industry innovation, Xiamen Changsu is committed to promoting a healthier, safer, and more convenient life for consumers.
Fujian Changsu Industrial Co., Ltd.

Fujian Changsu, equipped with world-class 5th-generation low-carbon production facilities, specializes in the R&D, production, and sales of high-performance films. Committed to sustainability, it emphasizes harmony between people, nature, and society. Through continuous innovation in material technology, Fujian Changsu delivers premium films that enhance quality of life and support a sustainable future.
PT Changsu Industrial Indonesia

Changsu Indonesia, located in the Suryacipta Industrial Park in West Java, Indonesia, leverages world-class film production technologies and a team of seasoned professionals to deliver high-quality film solutions to customers worldwide.
Fujian Sinolong Industrial Co., Ltd.
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Sinolong Industrial is a leading expert in high-performance polymer materials. Its product portfolio includes film-grade polyamide, high-temperature polyamide, widely applied in functional films, rail transit, automotive, electronics, and fiber spinning. Notably, its production and sales of film-grade high-performance polyamide rank among the global leaders.
Weifang Jinsy New Materials Co., Ltd.
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Jinsy New Materials is a leading supplier of specialty materials, mainly AMPS/ATBS and water treatment agents, serving industries such as oil extraction, industrial water treatment, textiles, papermaking, and daily chemical products. As the only company capable of large-scale supply of AMPS/ATBS products in three purity grades—first-class, high-class, and top-class—along with water treatment monomers, and composite agents, its production capacity leads the world.
Plastmatch Digital Technology Co., Ltd.（Plastmatch）
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Empowering the global plastics and chemical industry through intelligent digital technologies, Plastmatch Digital Technology has built a comprehensive global information service platform—Plastmatch—to provide information and marketing services across the entire industry chain. We are committed to helping industry users worldwide access timely market insights, seize business opportunities, reduce cost and improve efficiency.