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Sinolong New Materials Co., Ltd.

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Recognized as one of "China's 500 Most Valuable Brands", Sinolong New Materials operates in four key areas: new energy film, biodegradable film, functional film, and high-performance polyamide materials. It has developed the world’s leading integrated industrial chain of "PA6-BOPA film" and is committed to creating an industrial ecosystem centered around high-performance films. Emerging as a global leader in film materials, its business spans major countries and regions worldwide.

Xiamen Changsu Industrial Co., Ltd.

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Xiamen Changsu, a renowned high-performance film supplier, excels in BOPA film production and sales globally. With advanced 4th- and 5th-generation film technologies, its self-developed products have replaced imports, bridging gaps in high-end film markets locally and internationally. Pioneering industry innovation, Xiamen Changsu strives to enhance consumers’ life by promoting health, safety and convenience.

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, specializes in the production and sales of high-performance films. Leveraging world-class production technology, advanced expertise, and a team of experienced industry professionals, Changsu Indonesia is dedicated to delivering high-quality film products 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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Plastmatch Digital Technology is a tech-driven company leveraging digital intelligence to empower the plastics industries. It provides a comprehensive information platform,Plast match, which offers services like supply-demand matching, market indices, live streaming, and brand marketing. These professional and customized services cater to enterprises across the entire industry chain, helping them stay informed, connect with business opportunities, and operate efficiently.

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