Huizhou Changlong Chemical Co., Ltd. (惠州长龙化工有限公司) is a Chinese manufacturer of fine chemicals, established in 2003 and headquartered in Shiwan Town, Boluo County, Huizhou City, Guangdong Province.
The company specializes in the production and sales of high-end coatings, dyes, resins, and auxiliaries for electronics and textiles. Its product portfolio includes water-based acrylic resins, alkyd resins, textile resins, dyeing and finishing auxiliaries, adhesives, and basic raw materials for the coatings industry. Recognized as a national technology-based SME and part of the municipal high-tech enterprise development program, it holds patents in chemical production equipment, such as water-based acrylic resin reactors and alkyd resin anti-settling devices.
With a registered capital of 6.15 million RMB and legal representative Gong Haibin, it operates as a wholly foreign-owned enterprise focusing on custom R&D for textile, coating, and related sectors.
None yet. When a new project in the record names Changlong Chemical as owner, partner or investor, it shows here.
Filed March 25, 2026 in Shanghai IP Court over water‑based Duranol polycarbonate diol patents; seeks injunction and damages; had prior 2022 Guangzhou win; maintains broader patent portfolio.
