Fujian Sinolong Industrial Co., Ltd. (“Sinolong Industrial”), a member company of Sinolong New Materials, is dedicated to the R&D innovation and intelligent manufacturing of high-performance polyamides, establishing itself as a leading specialist in advanced polymer materials.

Sinolong Industrial’s production base is located in Quanzhou, Fujian, covering a total area of over 130,000 square meters. Phase Ⅰ was completed and put into operation in 2017, with an annual production capacity of 145,000 tons. Phase Ⅱ is currently under construction, with a planned total annual capacity exceeding 350,000 tons. At present, our product portfolio encompasses high-performance polymer materials such as film-grade polyamide and high-temperature polyamide, widely used in functional films, rail transit, automotive, electrical and electronics, and fiber spinning. Notably, we are a global leader in film-grade polyamide production and sales.

Driven by the dual engines of “R&D innovation + intelligent manufacturing”, Sinolong Industrial has built a full-chain innovation system spanning from fundamental material research to large-scale production. On the R&D front, our technical team actively pursues independent innovation and engages in deep collaboration with research institutions such as Xiamen University and Quangang Petrochemical Research Institute of Fujian Normal University, continuously achieving technological breakthroughs in the field of high-performance polymer materials. On the smart manufacturing front, we have established a flexible continuous polymerization system, a full-process real-time monitoring system, and a high-standard quality testing system, ensuring that our products deliver excellent molecular weight distribution consistency and performance stability, accurately and efficiently meeting the diverse needs of downstream markets.

Sinolong Industrial is committed to becoming an innovation leader in high-performance polymer materials, providing green technological material solutions to safeguard human health and safety and support global sustainable development.