Tianjin Sunrise Chem Group stands at the forefront of the global chemical synthesis sector, specializing in manufacturing high-quality dyestuffs. Our production capabilities include a comprehensive spectrum of Direct dyes, Acid dyes, Basic dyes, Sulphur dyes, Solvent dyes, Liquid dyes, and Fluorescent dyes.
Backed by decades of industrial chemical engineering and export experience, we have built a solid reputation for reliability and excellence. We serve multinational corporations across diverse industries, including denim finishing, commercial textiles, heavy leather, automated paper pulp coloring, and high-precision plastic compounders.
Environmental protection is the cornerstone of our innovation. We dedicate ourselves to providing clients with eco-friendly, high-quality colorants that balance productivity with environmental harmony, driving the industry towards a more sustainable development path while delivering high-performance products—for a greener textile industry and a sustainable future.
We highly focus on batch-to-batch consistency and color fastness. Every shipment undergoes rigorous spectrophotometric evaluation and physical property testing before being dispatched to the port. Our dual conformance to ZDHC Level 3 (Zero Discharge of Hazardous Chemicals) and the GOTS (Global Organic Textile Standard) ensures that your global supply chain is fully future-proofed against evolving environmental legislation.
Cooperating with leading textile and paper mills for decades highlights our commitment to long-term collaboration. This strong and reliable business relationship yields consistent orders, shared resources, and mutual support. Our mission is to drive business growth by providing reliable, customized color formulations and exceptional customer support, acting as a catalyst for our clients' success.
Our proximity to domestic petrochemical hubs guarantees an uninterrupted supply of primary aromatic intermediates, lowering raw material overheads and buffering our operations against global cost fluctuations.
Our modern reactor arrays enable high-tonnage batch runs with computer-controlled temperature and pH curves, resulting in consistent color values (minimum Delta E) across large contracts.
Located in the Tianjin industrial corridor, we enjoy direct access to Tianjin Port (one of China's largest deepwater ports), ensuring fast shipping routes, customs clearance, and reduced transit times.
Over the years, we have built strong partnerships across various countries. Our commitment to meeting global demands and exceeding expectations has earned us a reputation as a trusted international partner. If you are looking for high-quality dyes and pigments with reliable supply chains, we invite you to collaborate with us for mutual growth.
In today's global market, sourcing color pigments and dyestuffs requires more than finding competitive pricing. Modern procurement teams prioritize compliance, safety, and traceability. Industrial buyers face strict regulations, such as Europe's REACH, the US TSCA, and global zero-discharge initiatives. This demands that chemical suppliers operate with transparent, certified management systems.
The ZDHC (Zero Discharge of Hazardous Chemicals) program is a collaborative effort by major global brands, retailers, and suppliers in the textile and footwear industries to minimize hazardous chemical footprints. Achieving ZDHC Level 3 certification demonstrates that our manufacturing processes, wastewater treatments, and chemical handling comply with strict environmental safety standards.
GOTS is a premier standard for evaluating the organic status of textile materials, tracking them from raw fiber harvest to final production. A GOTS certification verifies that our chemical inputs, dye formulations, and processing auxiliaries meet strict ecological and social criteria, ensuring safety for workers and end consumers.
The global colorant industry is transitioning toward clean synthesis and high-affinity formulations. Modern application setups require tailored chemical solutions that optimize cost-performance while minimizing process energy use. Below is an overview of key application sectors and their technical requirements:
Requires high wash-fastness, rub-fastness, and compatibility with low-liquor dyeing machines. Standard dyestuffs include Direct, Acid, and Sulphur systems. Direct Yellow 86 and Sulphur Black complexes are widely used for cellulosic fibers.
Demands deep pigment penetration, light-fastness, and resistance to dry rubbing. Dyes like Acid Red 73 and Solvent Black 34 provide excellent substrate binding without compromising the leather's natural texture.
Demands high substantivity to cellulose fibers to prevent dye runoff in whitewater systems. Sunrise Basic Green 4 Liquid and Direct Yellow 11 Liquid provide excellent affinity, reducing clean-up times during color changeovers.
Requires pigments with excellent thermal stability to withstand extrusion temperatures without degrading. Solvent Red 122 and Iron Oxide Red 104 offer reliable dispersibility and heat resistance in thermoplastic carrier resins.
Demands high solubility, clarity, and deep color tone. Solvent Red 25 is ideal for ballpoint pen inks, while metal-complex Solvent Brown 43 is preferred for premium wood stains and industrial coatings.
A stable chemical supply chain is vital for high-volume manufacturing. By choosing us as your preferred dyestuff factory, you secure a manufacturing partner equipped to handle large contracts and international transport logistics.
Our Tianjin warehousing facilities maintain bulk stocks of high-demand items, including sulphur dyes and direct powder classes. We utilize secure container loading processes to ensure that all packaging arrives moisture-free and structurally intact.
When sourcing industrial colorants and dyes from a Chinese chemical factory, procurement managers must evaluate several technical criteria to ensure performance in final applications:
For liquid applications like paper pulp coloring or water-based inks, dyestuffs must show complete solubility without micro-particle aggregation. Aggregation can cause uneven dye coverage or clog machinery. Liquid formulations, such as Sunrise Direct Yellow 11 Liquid and Basic Green 4 Liquid, are processed to achieve high stability, helping to prevent sedimentation under long-term storage.
Colorants incorporated into plastics must withstand high heat during compounding and injection molding. High temperatures can cause color shifting or polymer degradation. Formulations like Solvent Red 122 and Solvent Yellow 145 are engineered to survive these temperature windows, ensuring consistent color in the finished plastic product.
Dye processing often generates significant wastewater. Using highly substantive dyes that bind effectively to substrate fibers helps manufacturers reduce dye runoff. This efficiency supports environmental goals, lowering wastewater treatment costs and aligning with ZDHC Level 3 frameworks.
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