About Us
Your Trusted Partner in XPS Solutions.
We provide high-strength, waterproof insulation boards, tailored to your needs and delivered fast — across the globe
A Leading Manufacturer Serving Global Clients
Duolong operates from a fully-equipped production base in Foshan, featuring advanced production facilities and multiple automated production lines, including high-efficiency extrusion and co-extrusion systems. These ensure consistent output and high productivity. Our adoption of the 5S management system and lean production processes enables rapid responses to urgent or custom orders. As a specialist in XPS products, we focus on innovation and efficiency to deliver sustainable solutions for diverse industrial needs.
Automated Production Lines and Advanced Equipment
Our facility is equipped with multiple automated production lines and advanced machinery, such as high-efficiency extrusion and co-extrusion systems, ensuring stable and high-volume output. Through 5S management and lean processes, we efficiently handle urgent requests and customized orders. This allows Duolong to excel in speed and reliability, meeting the strict delivery expectations of B2B clients.
Multi-Stage Inspections from Raw Materials to Finished Products
We implement end-to-end quality control, with multiple inspections at every stage—from raw material sourcing to final delivery. Key performance tests include weather resistance, corrosion resistance, and impact resistance. Certified under the ISO9001 Quality Management System, we conduct regular internal audits and third-party inspections to achieve zero-defect products. This commitment guarantees long-term reliability and compliance with international standards.
R&D and Innovation
Duolong possesses strong R&D capabilities, supported by deep collaborations with leading chemical companies and university laboratories. This well-established industry-academia-research system enables continuous innovation and the development of products with 100% independent intellectual property. Our dedicated team focuses on optimizing XPS technology, ensuring leading performance in areas such as lightweight strength, waterproofing, and thermal insulation—providing forward-thinking solutions for our clients.
Global Business Support
With extensive experience in cross-border logistics and customs procedures, we offer comprehensive support including export documentation, international shipping, and customs clearance. For overseas projects, we provide reinforced packaging and container loading solutions to ensure goods arrive intact. Our multilingual team is always ready to promptly address international clients’ order and technical inquiries, making global collaboration smooth and efficient.
4
Simple Steps to Your
Custom Solution
Working with us is straightforward:
Submit Requirements
Confirm Order
Track Production
Receive & Support
We're Here to Support Your Project
Our technical team is ready to consult on your requirements and provide prompt quotes.