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Premium Industrial Chemicals & Textile Machinery Solutions

Qingdao Darley International Co., Ltd specializes in high-quality Sodium Alginate, Rotary Printing Screens, Vat Dyes, Spare Parts, and Engraver Machines for global textile and industrial clients.

Industrial Textile Machinery and Chemicals
Qingdao Darley International Facility

About Qingdao Darley International

Qingdao Darley International Co., Ltd is a trusted manufacturer and exporter specializing in industrial chemicals and textile machinery components. With years of experience, we deliver reliable, high-performance products to clients across the globe.

Our product range includes Sodium Alginate for textile printing, precision Rotary Printing Screens, high-fastness Vat Dyes, critical Spare Parts for rotary printing machines, and advanced Engraver Machines for screen production.

High-Purity Sodium Alginate
Precision Rotary Screens
Durable Spare Components
Global Export Experience

Our Products

Discover our comprehensive range of industrial chemicals and textile machinery solutions designed for performance, durability, and precision.

Sodium Alginate

Sodium Alginate

High-viscosity thickener for textile printing, derived from natural seaweed. Ensures smooth paste formation and excellent dye release.

  • Purity: ≥98%
  • Viscosity: 800-1200 mPa·s
  • Grade: Textile & Food Grade
Rotary Printing Screen

Rotary Printing Screen

Precision-engineered nickel screens for seamless rotary printing. High durability and consistent mesh density.

  • Diameter: 640mm, 820mm, 914mm
  • Mesh Count: 40-185
  • Material: Electroformed Nickel
Vat Dyes

Vat Dyes

High-fastness dyes for cellulosic fibers. Excellent light and wash resistance. Ideal for denim and heavy-duty textiles.

  • Color Range: Indigo, Black, Green, etc.
  • Fastness: 4-5 (Wash & Light)
  • Form: Powder & Liquid
Spare Parts

Spare Parts for Rotary Printing Machine

Genuine replacement parts including doctor blades, squeegees, bearings, and drive components for Stork, Zimmer, and other brands.

  • Compatibility: All major brands
  • Material: Steel, Ceramic, Polyurethane
  • Custom OEM Available
Engraver Machine

Engraver Machine

Advanced laser and mechanical engraving systems for rotary screen production. High precision and automation.

  • Engraving Method: Laser & Diamond
  • Max Diameter: 1000mm
  • Control: CNC & PLC Systems
Food Grade Sodium Alginate

Food Grade Sodium Alginate

USP/FCC grade sodium alginate for food, pharmaceutical, and cosmetic applications. Non-toxic and biodegradable.

  • Purity: ≥99%
  • Viscosity: 200-800 mPa·s
  • Certifications: ISO, HACCP, FDA
Textile Printing Equipment

Textile Printing Accessories

Complete range of accessories including screen mounting tapes, cleaning solutions, and alignment tools.

  • Type: Consumables & Tools
  • Application: Rotary & Flatbed
  • Custom Packaging Available
Vat Dye Intermediate

Vat Dye Intermediates

Key chemical intermediates for vat dye synthesis. High purity and consistent quality for industrial production.

  • Compound: Leuco & Oxidized Forms
  • Purity: ≥97%
  • Packaging: 25kg Fiber Drums

Why Choose Qingdao Darley?

Quality Assurance

ISO-certified production with strict QC protocols for every batch.

Global Reach

Exported to over 30 countries with reliable logistics partners.

Technical Expertise

Engineers with decades of experience in textile chemistry and machinery.

Customer Support

Dedicated team for technical guidance and after-sales service.

15+
Years in Industry
30+
Countries Served
500+
Satisfied Clients
100%
Quality Tested

Latest News

Factory Expansion

New Production Line Launched

We've expanded our sodium alginate production capacity to meet growing global demand.

March 2023

Export Shipment

Major Shipment to Europe

Successfully delivered 20 containers of rotary screens and spare parts to European clients.

January 2023

R&D Innovation

New Vat Dye Formulation

Our R&D team has developed a new eco-friendly vat dye with improved fastness properties.

November 2022

Get in Touch

For inquiries about our products or services, please visit our official website to contact Qingdao Darley International Co., Ltd.

We look forward to serving your industrial and textile needs.

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