Exhaust · high fixation
Bifunctional HF
Yellow HF-4GL to Black HF-GSP, with C.I. Yellow 160A, Red 222, Blue 221 and more. Light 4 to 6-7, washing 4-5 on most shades. Starred H/C grades are heavier shades.
ISO 14001 Textile Dyes · United States
Eco-friendly textile dye suppliers, with ISO 14001 certification.
Among eco-friendly textile dye suppliers, Hongda makes disperse, reactive and acid dyes under a certified ISO 14001 environmental management system, and ships them from Ningbo to more than 30 countries.
Samples and data sheets come straight from the team that makes the product.
5 rangesHF · VS · HE · P · New Type
90+ shadesyellow to black on cotton
ISO 9001 · 14001certified group
30+ countriesserved since 1992
Product brochure
Five reactive dye chemistries, one cotton shade card.
The Dragonfix brochure lists every shade at 3% owf on cotton (blacks at 6%), with C.I. Reactive number, fastness to light (xenon), washing at 95°C and perspiration in acid and alkali, split into change of colour and staining on cotton, plus solubility in g/l at 50°C.
Classic VS range
Vinyl sulphone
Yellow FG, GL, GR, Orange 3R, Red RB and 5B, Violet 5R, Blue R and BB, Turq. Blue G, Navy GG, Brown GR and Blacks B, RL, NR. Light 4 to 5-6, washing 4 to 5.
Hot exhaust · printing · XL
HE, P and new type dyes
HE for hot exhaust dyeing, P for printing including Black PN, and the XL, HW and H/C new type grades for deep blacks and navies. Washing 4 to 4-5, solubility 100 to 200 g/l.
Buying it right
What eco-friendly textile dye suppliers should show you.
Brands now ask mills about the environmental record of every supplier, and they want eco-friendly textile dye suppliers to show proof, not adjectives. Most US brands also ask for conformity to their restricted substance lists.
Hongda holds ISO 14001 for environmental management and ISO 9001 for quality, with both certificates open to view on its website.
On the process side, high fixation reactive ranges such as Dragonfix HF put more dye on the fiber and less in the effluent. Ask the textile team for fixation data by range to plan a cleaner recipe.
The partnership
What a Hongda partnership gives you.
Experience
Documentation, logistics and compliance are routine here after three decades of cross-border trade. Hongda exports to more than 30 countries and works with over 500 distributors worldwide, so the paperwork your market requires has most likely been solved here before.
Support
Samples, datasheets and technical answers come straight from the team that makes the product. Formulation advice, matching against your current reference and follow-up after delivery are part of the partnership, included from the first order.
Product
Seven registered brands, from Dragon Dyes to Chemtech, all backed by Hongda's in-house R&D teams. Dyes, pigments, additives and functional chemicals come from the same group, so you can widen your catalogue while keeping a single supplier.
Supply
You buy at origin, in the quantities a distributor needs to stay competitive in its market. Volume pricing, consolidated shipments and production planned around your forecast give you the economics to defend margin against any local reseller.
Questions
What buyers ask before the first order.
01Is Hongda ISO 14001 certified?
Yes. The group holds ISO 14001 for environmental management and ISO 9001 for quality management.
02Which dye ranges help reduce dye in the effluent?
High fixation reactive ranges such as Dragonfix HF put more dye on the fiber and less in the wastewater.
03What documents should eco-friendly textile dye suppliers provide for an audit?
Environmental certification, the safety data sheet of each shade and conformity to your restricted substance list. Ask the textile team for the ISO certificates, the SDS and the RSL or MRSL data you need.
04Does Hongda offer natural dyes?
No. The Dragon ranges are synthetic textile dyes. The environmental work sits in the certified management system and the process.
Where it ships from
Made in Ningbo, shipped to the United States.
Hongda ships from Ningbo, China, to distributors in more than 30 countries, North America included. Samples, data sheets and documents for each order come from the team in Ningbo.
- Office
- 11th Floor, Office Park Building, 535 Qingshuiqiao Road, Ningbo Hi-Tech Park, Ningbo, Zhejiang Province 315040, China
- Plant
- 365 Beihai Road, Ningbo Petrochemical Economic and Technological Development Zone, Ningbo, Zhejiang Province, China
Strategic partners
Ready to represent Hongda in your market?
Write directly to the partner team, or send the short application. It reaches Hongda's partner team by email.
Textile Chemistry
Pigments & Colorants
Performance Additives
Functional Chemicals
info@hongda-chem.comOr call the group directly: +86 574 87907888