China Brown Color Days Suppliers & Factory

Pioneering Sustainable Chemical Synthesis & High-Performance Colorants for Global Textile, Paper, and Polymer Processing Industries

Global Commercial & Industrial Status

In contemporary heavy industries, the market demand for robust earth-toned pigments and organic dyestuffs has seen a massive structural evolution. Known globally in purchasing circles as a core segment of the "Brown Color Days" sourcing period, global enterprises focus heavily on procuring highly stable brown dyestuffs. This procurement surge is driven primarily by packaging industries seeking high-concentration formulations like Basic Brown 23 Liquid, alongside textile mills that require multi-ton consistency for high-end fashion, outdoor wear, and denim processing.

Geopolitically, the production centers for these technical chemical formulations have consolidated. Industrial-grade brown organic and synthetic colorants require precise chemical synthesis to resist extreme temperatures, chemical treatments, and UV exposure. As modern paper mills shift towards circular economies, they heavily rely on customized liquid brown systems that ensure instant dispersion in wastewater-minimized processing plants. Consequently, securing a certified, chemically consistent manufacturing partner is paramount to maintaining smooth global distribution lines.

Tianjin Sunrise Industrial Facility
30+
Years Export Experience
100%
Pre-Shipment Tested
ZDHC
Level 3 Certified
Zero
Hazardous Discharge Goal
Sunrise Production Operations

About SUNRISE CHEM

Tianjin Sunrise Chem Group, specializes in manufacturing high-quality dyestuffs. Including Direct dyes, Acid dyes, Basic dyes, Sulphur dyes, Solvent dyes, Liquid dyes and Fluorescent dyes. Backed by decades of industry and export experience, we have built a reputation for reliability and excellence, serving clients from diverse sectors including denim, textile, leather, paper and plastic.

We always highly focus on the goods quality and stability. Each shipment has been tested before sending to the port. ZDHC level 3 and GOTS certificate makes your quality guaranteed. We pride ourselves on offering customized solutions. Our team of experts works closely with clients to understand their unique needs and delivers tailored products and services. We actively seek strategic partnerships to expand our reach and enhance our offerings. Collaborate with us to explore mutual growth opportunities.

Environmental protection is the cornerstone of our innovation. We dedicate ourselves to provide 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.

Manufacturing Infrastructure & Efficiency Advantages

How Tianjin Sunrise Chem Group leverages scale, location, and technology to optimize global chemical procurement.

Vertical Raw Material Control

By integrating key intermediates synthesis directly within our industrial clusters, we insulate international buyers from supply chain shocks. This control stabilizes prices and ensures steady supply volumes for complex chemical formulas.

Strict Quality Validation

Each batch undergoes comprehensive spectral analysis, shade matching, and strength verification relative to reference standards. Our internal HPLC labs verify zero presence of forbidden amines or toxic heavy metals.

Optimized Logistics from Tianjin Port

Proximity to Tianjin Port enables streamlined ocean freight. We expedite container packing, handle complex customs paperwork internally, and implement custom moisture-resistant shipping packaging to secure product integrity.

Industrial Application Matrix

Translating chemical properties into real-world industrial applications.

Paper & Packaging Mills

Modern recycled containerboard and Kraft packaging lines require rapid dye exhaustion. Liquid dyes like Basic Brown 23 Liquid and Basic Yellow 103 Liquid allow continuous inline dosing. This minimizes dust, stabilizes shades, and maintains excellent bleed-fastness.

Denim & Heavy Textiles

From high-affinity sulfur blacks to specialized direct and acid dyes (such as Acid Orange 7 and Sulphur Blue BRN), our dyes survive harsh stone-washing, enzymatic treatments, and repeated commercial laundry cycles.

Plastics, Coatings & masterbatches

Plastics processing demands thermal stability over 240°C. Our specialized solvent dyestuffs (e.g. Solvent Orange 60, Solvent Blue 36) dissolve easily into polymer melts, providing crystal-clear transparency and excellent weather-fastness.

Dye Class Core Application Key Feature Eco-Certification
Basic Dyes (Liquid/Powder) Paper, Acrylic, Incense Brilliant shades, instant dissolution ZDHC Level 3 / GOTS
Sulphur Dyes Denim, Cotton textiles High wash fastness, deep shades ZDHC Level 3
Solvent Dyes Plastics, Masterbatches, Inks Thermal resistance >260°C RoHS / REACH Compliant
Direct & Acid Dyes Wool, Silk, Nylon, Paper Excellent leveling, high affinity ZDHC Level 3 / GOTS

Eco-Friendly Dye Systems

Cooperating with textile and paper mills for many years shows that our factory has established a strong and reliable business relationship. This kind of long-term collaboration brings numerous benefits, such as consistent orders, shared resources, and mutual support. It also indicates that the factory has a good track record of delivering quality products and meeting the needs of its partners.

Our mission is to drive business growth by providing reliable and customized products. Our goal is to make a significant contribution to our customers' success by consistently delivering first-class products and exceptional customer service. By building lasting partnerships, we strive to be a catalyst for our clients' success.

The ZDHC program is a collaborative effort by leading brands, retailers, and suppliers in the textile and footwear industry to reduce the use of hazardous chemicals. The focus of this certification is on eliminating the release of hazardous chemicals into the environment throughout the entire supply chain. Achieving ZDHC certification indicates that our company has implemented robust chemical management procedures and has met the stringent requirements for chemical handling, wastewater treatment, and pollution prevention.

The Global Organic Textile Standard (GOTS) is a certification that ensures the organic status of textiles from the harvesting of raw materials to environmentally and socially responsible manufacturing. The GOTS certification guarantees that the textiles are made from organic fibers, that chemical inputs are minimized, and that strict environmental and labor standards are met throughout the production process. GOTS certified products are considered to be sustainable, safe, and ethical.

Both certifications are important in the context of sustainable and responsible textile production. ZDHC focuses on the elimination of hazardous chemicals, while GOTS certification guarantees the organic and ethical aspects of the textile production.

Certification Badge 1
Certification Badge 2
Certification Badge 3
Certification Badge 4
Certification Badge 5
Eco testing center

Global Delivery & Logistics Control

We ensure the highest levels of quality and security from our warehouse floor directly to your destination port.

We not only produce and export dyes and pigments but also prioritize long-term cooperation with our customers, providing them with quality services that exceed their expectations. Allow us to explain why choosing us is the best decision for your business:

  • Stable Supply: We have developed efficient manufacturing processes to ensure a continuous supply of our products. Our factories feature state-of-the-art equipment and a knowledgeable workforce, which enables us to fulfill the most demanding orders. With us, you can begin your manufacturing journey with confidence knowing that dye availability will never be an issue.
  • Uncompromising Quality: We take pride in our commitment to producing dyes that consistently meet high standards of quality. Our experienced technicians carefully monitor the manufacturing process, ensuring that each batch of dyes is carefully tested for color fastness, durability and other essential parameters. By choosing us, you can rest assured that your products will stand out in the market due to the vibrant and long-lasting color our dyes provide.
  • Customer-Centric Partnerships: We firmly believe in building relationships with our clients based on trust and mutual benefit. We know that our customers' success is our success, so we are committed to providing quality services to meet their needs. Our dedicated customer support team is on hand to address any questions or concerns you may have. We value your feedback and strive to continuously improve our operations to serve you better. Our purpose is not just to supply dyes, but to be your trusted partner in achieving your business goals. By choosing us, you choose a partnership built on reliability, transparency and mutual success.

Key Procurement Evaluation Criteria

When international sourcing directors evaluate dyestuff manufacturers during the intensive annual procurement sessions, their checklists go far beyond basic pricing. Modern chemical imports require a trifecta of Regulatory Safety, Chemical Consistency, and Reliable Logistics. Leading enterprises prioritize suppliers that present transparent chemical data sheets and international certificates, eliminating potential custom holdups or downstream brand liabilities.

At Sunrise Chem, we integrate these operational demands directly into our processing cycles. From the initial automated chemical synthesis to the final moisture-proof container loading, our quality control ensures color yield deviations stay under a delta value ($\Delta E$) of 0.5. By standardizing physical properties like bulk density, grain size, and solubility coefficients, we guarantee that the pigments integrate smoothly into our partners' automated dosing equipment.

Sunrise warehouse and logistical tracking systems

Technical Q&A & Procurement Guide

Get answers to critical chemical engineering, logistics, and compliance questions directly from our tech support team.

Q1: What are the primary chemical composition differences between liquid and powder brown dyestuffs?
Liquid brown dyestuffs, such as Basic Brown 23 Liquid, are pre-solubilized in aqueous solutions containing organic co-solvents to prevent precipitation and crystallization over time. They are ideal for automated, dust-free dosing in paper mills. Powder forms, on the other hand, offer 100% active matter concentration, reduce transit weight, and have an extended shelf life. However, they require careful dissolution processes with temperature and pH monitoring.
Q2: How does Tianjin Sunrise Chem Group ensure batch-to-batch color consistency?
We utilize advanced spectrophotometers (like Datacolor systems) to test every single production batch against retained master standard samples. Our QC specialists maintain color value deviation at delta E < 0.5. We perform high-performance liquid chromatography (HPLC) testing on each shipment before it leaves the factory to confirm chemical profiles match exact technical specifications.
Q3: Why are ZDHC Level 3 and GOTS certifications crucial for global chemical imports?
Zero Discharge of Hazardous Chemicals (ZDHC) Level 3 is the highest compliance tier. It certifies that our formulations do not contain prohibited hazardous substances or heavy metals above trace detection limits. The Global Organic Textile Standard (GOTS) ensures that our dyestuffs are certified safe for use on organic fibers, protecting consumer health and facilitating smooth customs clearances in North America, the European Union, and other regulated markets.
Q4: What packaging options are available to protect dyestuffs from moisture during long ocean transit?
For powder dyes, we provide standard 25kg iron drums, carton boxes, or woven bags, all lined with dual-layer PE moisture-barrier inner bags. For liquid dyes, we ship in 1000kg IBC tanks or 200kg plastic drums. All containers are palletized, stretch-wrapped, and loaded under strict humidity controls in our dedicated Tianjin port warehouse to prevent transit moisture absorption.
Q5: Do you offer custom color matching and customized formulations for specialized industries?
Yes. Our experienced technicians specialize in matching customer-supplied color targets (in physical fabric, paper, or plastic samples, or Pantone/RAL references). We formulate customized blends to meet specific fastness requirements (such as lightfastness, chlorine-bleach fastness, or high-temperature stability for plastic molding), and supply free lab-test samples prior to commercial scale production.
Q6: What is the typical lead time from order confirmation to shipping?
Standard stocked products are processed and delivered to Tianjin port within 7 to 10 working days. Customized chemical syntheses or color matches require around 15 to 21 days for production, quality testing, and certification preparation. We provide real-time container loading tracking and coordinate with major maritime freight lines to guarantee prompt departure schedules.