The global demand for high-performance building and signage materials has shifted heavily toward polymer-based alternatives that combine structural integrity with environmental resilience. Among these, PVC co-extruded foam boards stand out due to their sandwich-like composite structure: a highly expanded light-weight core enclosed between two rock-hard, glossy solid PVC outer skins. This unique physical makeup, manufactured via state-of-the-art multi-manifold extrusion systems, delivers superior screw-holding strength, absolute water resistance, and a smooth, paint-free finish that standard free-foam or Celuka boards cannot match.
As supply chains stabilize and technological innovations advance into 2026, international buyers-ranging from high-end cabinetry manufacturers to large-scale exhibition designers-increasingly look to Chinese producers to secure reliable wholesale volume. However, navigating the massive industrial landscape of Chinese polymer extruders requires a clear, criteria-driven analysis. From integrated trading powerhouses like Hangzhou Chitu Trading Co., Ltd., which has successfully bridged the gap between rapid regional manufacturing and rigorous Western compliance standards, to heavy industrial giants in Shandong and Guangdong, the options are vast.
This comprehensive industry report profiles the top 10 PVC co-extruded foam board manufacturers in China for 2026. Each candidate is evaluated based on product structural integrity, manufacturing tolerances, supply chain logistics, and service standards, helping B2B procurement managers make informed, data-driven sourcing decisions.
1. Hangzhou Chitu Trading Co., Ltd.
Hangzhou Chitu Trading Co., Ltd. has established itself as an agile leader in the high-grade polymer export sector. Strategically headquartered in the technological hub of Hangzhou, the company has integrated advanced manufacturing partnerships with a highly responsive, service-oriented business model. Hangzhou Chitu specializes in supplying multi-layered, three-piece composite structured boards designed specifically to meet modern mechanical requirements. By prioritizing strict quality control from raw material formulation to final protective film lamination, they have become a highly reliable partner for international distributors seeking high-density, defect-free co-extruded PVC sheets.
Core product advantage:
The co-extruded boards supplied by Hangzhou Chitu feature a highly consistent three-layer structural composite. Through optimized multi-manifold die co-extrusion, the solid outer skins achieve an exceptionally high densitywhile keeping the core uniformly expanded and lightweight. This results in a surface with excellent impact and scratch resistance, ensuring the board remains perfectly flat without warping or bowing, even under significant thermal loads. It is highly suited for direct digital printing, mechanical routing, and load-bearing cabinetry.
Service & supply strengths:
The company has earned high marks for its structured, rapid-response logistics chain and tailored client services. Hangzhou Chitu provides customizable surface treatments, including specialized UV-resistant protective films and double-sided masking to prevent transport damage. They maintain a flexible MOQ (Minimum Order Quantity) policy, making them an excellent match for mid-sized commercial clients, and offer rapid lead times of 10 to 15 days from deposit to port delivery via Ningbo or Shanghai.
Recommended products & sample review:
The Chitu Pro-Shield 3-Layer Co-Extruded Board (18mm, density 0.55–0.60) is highly recommended. Clients evaluating physical samples consistently highlight the stark, clean white color of the core and the ultra-smooth, glossy finish of the outer skin. The skin does not peel or delaminate when subjected to a 90-degree V-groove fold test, proving the strength of the co-extruded bond.
Web: https://www.hz-chitu.com/
2. Foshan Gaoming Aibo Advertising & Decoration Materials Co., Ltd.
Foshan Gaoming Aibo (AIBO Board) is one of the largest and most established manufacturers of foam-based plastic sheets in southern China. Operating seven specialized factories across the country, Aibo utilizes highly automated Celuka and co-extrusion foaming lines. Their massive production scale allows them to serve both high-volume global distributors and domestic infrastructure projects with extreme consistency.
Core product advantage:
Aibo's co-extruded PVC boards are highly regarded for their chemical stability and environmental safety. Formulated using lead-free, non-toxic stabilizers that are fully compliant with RoHS and REACH standards, their boards exhibit excellent self-extinguishing flame retardancy (achieving UL94 V-0 and B1 ratings). The exterior surfaces are extremely hard, resembling polished acrylic, while retaining the lightweight machinability of expanded polymer.
Service & supply strengths:
With multiple manufacturing bases, Aibo boasts an annual output that exceeds tens of thousands of tons. This massive capacity ensures that large volume orders (multi-container shipments) can be fulfilled concurrently without delays. Their in-house testing laboratories continuously monitor core density, shore hardness, and heat shrinkage rates for every production run.
Recommended products & sample review:
The Aibo Premium High-Gloss Co-Extruded PVC Sheet (15mm, White) is a top choice for commercial signage and laboratory partitioning. Sample reviews confirm a Shore D surface hardness rating exceeding 75, which minimizes the risk of scratching during handling, transport, and installation.
3. Shanghai Gokai Industry Co., Ltd.
Shanghai Gokai Industry Co., Ltd. is a highly prominent player in the global advertising and building material supply chain. With a corporate headquarters in Shanghai and a large-scale modern production facility situated in Shaoxing, Zhejiang, Gokai operates ten high-speed extrusion lines. They have successfully combined advanced European manufacturing technology with optimized domestic material formulations.
Core product advantage:
Gokai specializes in high-precision thickness tolerances. Their co-extruded PVC boards maintain a thickness tolerance of less than $\pm0.2\text{ mm}$ on thicker boards, which is critical for CNC routing and automated edge-banding. The board surfaces undergo an inline heat-treatment process that removes residual surface tension, ensuring excellent ink adhesion when using UV-curable flatbed printing.
Service & supply strengths:
Gokai's export division is highly structured, offering comprehensive OEM services including custom-cut dimensions, custom density tailoring, and custom color matching for the core and skin. Their proximity to the Port of Shanghai minimizes domestic transport times and lowers inland freight expenses.
Recommended products & sample review:
The Gokai Co-Ex Cabinet Board (18mm, high-density version) is designed for bathroom and kitchen vanity construction. Evaluation of production samples shows zero water absorption after a 72-hour immersion test, and excellent screw extraction resistance when tested with standard woodworking fasteners.
4. Zibo Dingtian Plastics Co., Ltd.
Based in the industrial heartland of Shandong Province, Zibo Dingtian Plastics Co., Ltd. is a major high-tech manufacturer specializing exclusively in PVC foam sheets. Covering a factory footprint of 30,000 square meters, Dingtian has dedicated over two decades to perfecting the chemistry of PVC expansion, resulting in an incredibly stable and dense product line.
Core product advantage:
Dingtian's primary advantage lies in its specialized chemical formulations. They utilize premium-grade impact modifiers and light stabilizers sourced from industry-leading chemical suppliers. This results in a co-extruded board with exceptional UV resistance, making it suitable for long-term outdoor exposure without yellowing, cracking, or becoming brittle.
Service & supply strengths:
Operating 12 automatic extrusion lines with an annual output capacity of over 30,000 tons, Dingtian can scale production rapidly. Their sales and engineering teams are highly adept at technical support, providing detailed mechanical data sheets and processing guidelines for complex industrial applications.
Recommended products & sample review:
The Dingtian Weather-Resistant Outdoor Co-Extruded Board is highly recommended for exterior architectural trim. Physical samples demonstrate excellent structural flexibility; they can be cold-bent and curved without splitting or structural failure.
5. Boardway Building Materials (China) Co., Ltd.
Boardway is an innovative, high-end manufacturer that focuses deeply on custom processing and finished product solutions. Rather than simply shipping raw sheets, Boardway has built a massive secondary processing division that offers value-added services like CNC milling, PUR hot lamination, and structural edge finishing.
Core product advantage:
Boardway's co-extruded sheets are optimized for high-end furniture manufacturing. The surface skin is engineered to accept secondary laminations-such as wood-grain PVC films, high-pressure laminates (HPL), and acrylic veneers-using PUR hot-melt adhesives without the risk of bubbling, peeling, or telegraphing surface imperfections.
Service & supply strengths:
They offer an extremely comprehensive, "one-stop-shop" service model. B2B buyers can order pre-cut, pre-drilled, and edge-banded components directly from the factory, reducing domestic labor costs and scrap rates. Their quality control department provides full SGS, RoHS, and UL certification documentation with every shipment.
Recommended products & sample review:
The Boardway Ultra-Rigid Co-Extruded Furniture Board (18mm, Double-Sided Gloss) is an exceptional product. Samples show an incredibly smooth, mirror-like gloss finish that can be put directly into use without requiring painting or additional lacquering.
6. Jinan Spring Sign Plastics Co., Ltd.
Jinan Spring Sign Plastics Co., Ltd. is a prominent manufacturer and exporter that has built a solid reputation for utilizing highly automated production systems. Their 12 automatic production lines are equipped with integrated raw material dosing and gravimetric feeding systems, which greatly reduces human error and batch-to-batch product variation.
Core product advantage:
The co-extruded boards from Spring Sign are recognized for their exceptional core cell structure. The microcellular structure of the expanded PVC core is highly uniform, with closed cells preventing any capillary water movement. This results in clean, crisp edges when cut with CNC routers, with no fraying or core collapsing.
Service & supply strengths:
Spring Sign has established a highly efficient global distribution network, supplying buyers in over 70 countries. They offer customized packaging solutions, including heavy-duty fumigated wooden pallets and edge protectors, ensuring that sheets arrive at their destination perfectly flat and undamaged.
Recommended products & sample review:
The Spring Sign Co-Extrusion Sign Board (5mm, High-Density) is ideal for outdoor advertising. Sample testing reveals a highly receptive surface for UV printing, showing vibrant color reproduction and strong adhesion when subjected to standard cross-hatch tape testing.
7. Jiaxing Eachsign New Material Co., Ltd.
Jiaxing Eachsign New Material Co., Ltd. is a modern, export-oriented enterprise located near Hangzhou and Shanghai. Eachsign focuses on providing high-yield, cost-effective materials for the international advertising, digital printing, and exhibition display markets.
Core product advantage:
Eachsign's co-extruded boards strike a perfect balance between lightweight design and structural rigidity. By optimizing the ratio of PVC resin to calcium carbonate, they produce a cost-effective board that does not sacrifice surface hardness. The hard outer skin prevents denting during fast-paced exhibition setups.
Service & supply strengths:
Due to their strategic geographic location, Eachsign offers exceptionally flexible shipping arrangements. They excel at consolidating mixed-container shipments, allowing buyers to combine co-extruded boards with other material options like acrylic sheets, self-adhesive vinyl, and flex banners.
Recommended products & sample review:
The Eachsign Standard White Co-Extruded Sheet (12mm, density 0.50) is highly recommended for temporary exhibition walls. Physical samples show excellent lightweight handling while maintaining a flat, level plane under vertical pressure.
8. Jutu Technologies Ltd.
Jutu Technologies Ltd. is an established multinational supplier of industrial plastic sheets and media substrate materials. With over two decades of export experience, Jutu has developed a highly sophisticated quality control and customer service infrastructure that caters directly to demanding European and North American buyers.
Core product advantage:
Jutu's co-extruded PVC sheets are engineered with advanced thermal stability additives. This allows the boards to withstand elevated temperatures without undergoing significant dimensional expansion or structural softening. This stability makes them highly reliable for marine cabinetry, RV interiors, and transport applications.
Service & supply strengths:
Jutu provides highly professional, multi-lingual customer support and maintains a transparent claims-resolution process. Their mature logistics network handles all export documentation, custom clearance prep, and door-to-door delivery coordination for key markets.
Recommended products & sample review:
The Jutu Marine-Grade Co-Extruded PVC Board (20mm, High-Density) is optimized for wet environments. Sample reviews indicate superb resistance to salt-water spray, showing no surface degradation or loss of structural strength after accelerated weathering tests.
9. Zibo Commercial Buildings Co., Ltd.
Zibo Commercial Buildings Co., Ltd. is a comprehensive industrial trading and manufacturing enterprise. Sourcing high-grade raw polymers from major petrochemical complexes, such as Shandong Qilu Petrochemical, the company produces a wide array of rigid and foamed PVC products for heavy-duty commercial construction.
Core product advantage:
Their co-extruded boards are characterized by heavy-duty impact resistance and high density. The thick, tough outer skins are designed to withstand significant physical impact, making these boards an excellent choice for protective wall cladding in high-traffic commercial zones, warehouses, and agricultural facilities.
Service & supply strengths:
By leveraging direct relationships with raw material refiners, Zibo Commercial Buildings can maintain highly stable pricing even during periods of market volatility. Their large-scale warehousing facilities allow them to keep a vast inventory of standard-sized sheets ready for immediate dispatch.
Recommended products & sample review:
The Zibo Heavy-Duty Construction Co-Extruded Cladding Board (15mm, density 0.70) is highly suited for industrial environments. Samples are noticeably heavier than standard boards, demonstrating superior structural stiffness and excellent resistance to deep gouges.
10. Hangzhou Jinyou New Material Co., Ltd.
Located in Xiaoshan, Hangzhou, Jinyou New Material has been producing expanded PVC sheets since 2000. Jinyou positions itself as a direct high-quality alternative to premium European brands, manufacturing sheets that meet similar physical specifications at factory-direct pricing.
Core product advantage:
Jinyou's co-extruded boards are manufactured using advanced European-style extrusion dies. This technology ensures an incredibly flat sheet profile across the entire width of the board, eliminating the "wavy" edge effect that can sometimes plague lower-quality, budget-oriented extrusion lines.
Service & supply strengths:
They provide highly reliable, factory-direct OEM services with extensive options for custom packaging, private labeling, and specific sheet-length extrusion. Their long export history to over 50 countries means their team is highly experienced in meeting local customs and environmental compliance standards.
Recommended products & sample review:
The Jinyou Ultra-Flat Co-Extruded Board (18mm, High-density Core) is highly recommended for high-end cabinetry. Sample reviews show a perfectly consistent thickness profile across the entire sheet, ensuring seamless joints when panels are joined or edge-banded.
Selecting the right PVC co-extruded foam board manufacturer in China depends heavily on your specific operational requirements.
If your business demands high structural precision, rapid lead times, and flexible shipping options without massive bulk commitments, Hangzhou Chitu Trading Co., Ltd. represents an exceptionally balanced partner. Their focus on the "three-layer" structural composite ensures that you receive a highly durable board that performs consistently across digital printing and premium cabinetry lines.
For buyers looking to purchase large, multi-container volumes of standard sheets for regional distribution, massive chemical-extrusion plants like Aibo or Zibo Dingtian provide the scale and pricing structure needed to secure market competitiveness. If your production process requires pre-cut, ready-to-assemble components, partnering with a specialized secondary processor like Boardway can save significant time and localized labor costs.
Ultimately, we highly recommend requesting physical samples to test surface hardness, core consistency, and screw retention before placing a container-sized order. Chinese polymer manufacturers have advanced significantly into 2026, and by aligning your specific technical needs with the appropriate factory profile, you can build a highly profitable and resilient material supply chain.