China's Largest Producer of Polyurethane Raw Materials
3.5 Million Tons of MDI Production Base, 12 Global Production Bases, Numerous Excellent Engineering
A Global Leader in Polyurethane Solutions
Expanding the ”PU downstream industry chain” as the strategic core, Wanhua EnergySav is mainly engaged in the production, R&D, sales and construction of PU products. The applications cover a wide range of fields such as buildings, transportaitons ,underground and hydraulic engineering. Wanhua EnergySav has owned four industrial bases, Polyurethane downstream products manufacturing base, Modular building base, Industrial coating base, and Electronic materials base.
Product development
Diversified product layout.
Annual Blended Polyols Production Capacity Reaches 50,000 Tons. Isocyanate exceeds 3 million tons. and Polyurethane sandwich panel is 1.5 million square meters.
Innovation at Our Core.
184+ global patents filed. Over 5% of annual revenue invested in R&D. 510 highly skilled employees, including: 3 PhD holders,49 Master's degree holders,139 dedicated R&D professionals (27.3% of total workforce).
Enable Green Building Development.
Continuous investment in green technologies, Recognized as a "Green Supply Chain Demonstration Enterprise" for 5 consecutive years.
Cost - Cutting Solutions: Remarkable Production Capacity & Project Management Strengt

Leading The Innovative Development Of The Polyurethane Industry
Wanhua Energy Conservation Technology Group (Wanhua Energy Conservation for short) was established in 2007 and is initiated and controlled by Wanhua Group (the world's largest MDI manufacturer/polyurethane raw material supplier). Its headquarters is located in Yantai, Shandong. The company takes the expansion of the "polyurethane downstream industry chain" as its core strategy and is mainly engaged in the production, research and development, sales and construction of polyurethane products, with application areas covering construction, transportation, underground engineering, water conservancy engineering, etc. Products include: Polyurethane foams, panels, fireproof coatings, anticorrosion coatings, architectural coatings, flooring coatings, permeable pavements, mortars, modular integrated buildings, automotive components, LNG ship parts, dam/seepage prevention materials.

Core Advantages
Total completed 200+ large-scale industrial projects. 300+ Successful custom solutions.
Strong annual production capacity, 4 R&D centers and 9 production bases.
Proprietary MDI and polyether formulations.
Partner with Wanhua EnergySav to: ✅ Cut material + labor costs by 20–40%✅ Reduce energy bills by 30–50%✅ Accelerate project timelines by 50–70%✅ Eliminate long-term maintenance expenses
R&D Strength
- It has applied for more than 184 domestic and foreign patents and 19 registered trademarks.
- It has been awarded the honors of National Intellectual Property Demonstration Enterprise, National Residential Industrialization Base, and National High-tech Enterprise.
- The annual R&D investment is not less than 5% of sales revenue, and there are 139 full-time R&D personnel, accounting for 27.3% of the total number of employees.
Chemistry makes life better!






Innovation, Teamwork, Customer First
- Pragmatism & Innovation —— Explore technological breakthroughs with a down-to-earth approach, driving sustainable development through innovation.
- Customer-Centric —— Prioritize customer needs at all times, creating value through professional solutions.
- Gratitude & Dedication —— Give back to society with gratitude and commit to green causes with a sense of responsibility.
- Excellence Pursuit —— Strive for perfection in products and services, exceeding expectations at every step.
- Responsible Care —— Safeguard environmental safety and employee well-being, fulfilling our long-term commitment as a corporate citizen.
- Team Victory —— Unite wisdom through collaboration and achieve shared growth in an open and inclusive culture.
R&D Capability
We invests no less than 5% of its sales revenue in research and development each year.
Production Capacity
Annual Production Capacity Of Isocyanate 3000000t+
Patent Technology
Patents At Home And Abroad More Than 184
One-Stop Polyurethane Solution
Covering all polyurethane products and most chemicals
Trusted By
After 18 years of development, we have achieved an excellent performance record and carried out in-depth cooperation with numerous clients.







Client Testimonials


As the world’s largest MDI manufacturer and polyurethane raw material supplier, we offer a comprehensive product portfolio, including:
Polyurethane foams, panels, fireproof coatings, anticorrosion coatings, architectural coatings, flooring coatings, permeable pavements, mortars, modular integrated buildings, automotive components, LNG ship parts, dam/seepage prevention materials.
Applications span construction, transportation, mining, underground pipelines, and water conservancy and so on.
Yes, please contact our staff in advance to schedule a visit. We will arrange a guided tour to demonstrate our production processes and product details. Additionally, you may make an appointment to visit our nine major production bases worldwide.
Our high-quality R&D team consists of 139 professionals (27.3% of total 510 employees), including 3 PhDs and 49 master’s degree holders. We have established deep collaborations with top universities and vocational colleges such as Peking University, East China University of Science and Technology, Qingdao University of Science and Technology, Dalian University of Technology, Liaoning Petrochemical University, and Yantai Vocational College, building a robust talent cultivation system. Through an integrated industry-university-research model, we continuously attract top industry talents and inject innovative vitality into our team. Currently, the R&D team accounts for 29% of the total workforce. These professionals, with their profound academic backgrounds and extensive practical experience, continuously drive technological innovation and ensure our leading position in the polyurethane field.
Yes. We provide tailored polyurethane formulations for diverse applications. Customize foams with different formulas for various purposes, design comprehensive construction plans for customized projects, and provide one-stop solutions for polyurethane and most construction chemicals.
If the product meets the provisions of the Quality Assurance Agreement, we will provide free return or replacement, repair, or technical rectification services. For example, if the flame-retardant foam fails to meet fire safety requirements, we can not only replace all products but also provide customized solutions to enhance flame-retardant performance.
We implement full-chain traceability from raw material procurement to delivery through 712 quality management systems and intelligent platforms, maximizing product quality assurance and eliminating customer concerns. Additionally, you can participate in the "Quality Co-Construction Program" to continuously improve product performance through joint R&D, process optimization, etc. For instance, our collaboration with an automotive client to develop low-VOC interior materials not only solved the original odor issue but also promoted the upgrading of industry environmental standards.
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Application Fields
Cover a wide range of fields such as buildings, transportaitons ,underground and hydraulic engineering.

Water Conservancy

Modular Building

Marine and Ships

Automotive

Pipe Insulation
