China Polyurethane Raw Material Supplier
Reliable Supplier of Polyether Polyol, MDI, TDI and PU Additives for Global Manufacturers.
Polyurethane Raw Materials
Complete range of polyurethane raw materials for foam, insulation, coatings and adhesives applications
Polyether Polyol
High-performance polyols for rigid foam insulation and flexible foam applications. Multiple grades available for different processing requirements.
View Specifications →Polymeric MDI (PMDI)
Methylene diphenyl diisocyanate for rigid foam insulation panels, spray foam, and pipe insulation. Excellent thermal properties.
View Specifications →TDI 80/20
Toluene diisocyanate 80/20 isomer ratio for flexible foam production, slabstock foam, and molded foam applications.
View Specifications →PU Additives
Amine catalysts, surfactants, flame retardants and specialty additives for optimized polyurethane formulations.
View Specifications →PU Systems & Intermediates
Formulated polyurethane systems and intermediates for specific applications including automotive, footwear and elastomers.
View Specifications →Application Fields
Serving diverse industries with tailored polyurethane solutions
Building Insulation
Energy-efficient insulation panels and spray foam systems
Learn More →Automotive
Interior components, seating foam, and acoustic insulation
Learn More →Home Appliances
Refrigerator insulation and appliance component foaming
Learn More →Footwear
Shoe sole materials and comfortable cushioning systems
Learn More →Adhesives & Coatings
High-performance adhesives and protective coating systems
Learn More →Cold Chain
Cold storage insulation and temperature-controlled logistics
Learn More →Why Choose DOBO Chemical
Your trusted partner for polyurethane raw materials from China
ISO9001 Certified
All partner manufacturers are ISO9001 certified with strict quality control procedures and batch traceability.
Technical Expertise
Deep understanding of polyurethane chemistry with formulation support and application-specific recommendations.
Fast Response
Quick quotations within 24 hours, responsive communication, and dedicated account management for all inquiries.
Global Logistics
Strategic location near Ningbo Port with efficient export documentation and reliable shipping arrangements worldwide.
Powered by Wanhua Chemical Partnership
Direct sourcing from China's largest MDI manufacturer ensures consistent quality and competitive pricing for our global customers.
Wanhua-Sourced MDI
Our polymeric MDI and TDI are sourced directly from Wanhua Chemical, the world's largest MDI producer.
ISO9001 Certified Chain
Every shipment is traceable from factory batch to container loading with full COA documentation.
Ningbo Port Gateway
Strategic warehouse near Ningbo Port — one of China's busiest chemical export hubs with competitive freight rates.
Our Track Record
Proven performance serving global polyurethane manufacturers
Applications
Our polyurethane raw materials serve diverse industries worldwide
Building Insulation
Energy-efficient insulation panels and spray foam systems
Learn More →Automotive
Interior components, seating foam, and acoustic insulation
Learn More →Home Appliances
Refrigerator insulation and appliance component foaming
Learn More →Footwear
Shoe sole materials and comfortable cushioning systems
Learn More →Adhesives & Coatings
High-performance adhesives and protective coating systems
Learn More →Cold Chain
Cold storage insulation and temperature-controlled logistics
Learn More →Frequently Asked Questions (FAQ)
Common questions about polyurethane raw materials and our supply capabilities
Products
Purchasing
Logistics & Shipping
Technical Support
Company & Compliance
Technical Support
Comprehensive technical documentation and expert assistance for your polyurethane applications
Technical Data Sheets
Download comprehensive TDS documents for all products with detailed specifications and test methods.
Browse Products →Application Guidelines
Industry-specific processing guides, formulation recommendations, and best practices for optimal results.
View Solutions →Expert Assistance
Direct access to our technical team for product selection, troubleshooting, and custom formulation support.
Contact Support →Ready to Get Started?
Dongbo Chemical — your trusted polyurethane raw material partner from China. We source, quality-check, and deliver high-performance Polyether Polyol, Polymeric MDI, TDI 80/20, PU Additives, and PU Systems to manufacturers worldwide. Founded in 2020, 300+ customers served.