Top 10 PP Honeycomb Panel & Composite Board Manufacturers in China (2026): Buyer's Guide
September 18, 2026 · By HOTECH Engineering Team · 12 min read
The global PP honeycomb panel market is projected to exceed USD 3.8 billion by 2027, growing at a CAGR of 5.1%. China accounts for over 60% of worldwide production capacity, making it the undisputed hub for polypropylene honeycomb core and composite sandwich panel manufacturing. But with hundreds of factories spread across Zhejiang, Shandong, Jiangsu, and Guangdong provinces, how do you find a supplier that truly matches your quality, volume, and technical requirements?
This guide ranks the 10 best PP honeycomb panel and composite board manufacturers in China for 2026, evaluated across six dimensions: patent portfolio, production capacity, certification depth, product range, overseas presence, and vertical integration. Whether you are sourcing raw honeycomb core for your own lamination line, finished sandwich panels for truck bodies, or complete CKD vehicle assemblies, this list will help you shortlist the right partner.
Related reading: How to Choose a Composite Panel Manufacturer in China: Buyer's Checklist →
Quick Comparison Table
Before diving into the individual profiles, here is a side-by-side comparison of all ten manufacturers:
| # | Manufacturer | Location | Founded | Patents | Key Certifications | Capacity | Overseas Base | Core Products |
|---|---|---|---|---|---|---|---|---|
| 1 | HOTECH (Zhejiang Haozhuo) | Tongxiang, Zhejiang | 2017 | 31 | ISO 9001:2015, SGS tested, High-Tech Enterprise | 1.5M sqm/yr panels; 37,000+ CKD bodies/yr | Malaysia (Johor, partner Joinpro) | PP honeycomb core, CFRT panels, MPP insulation, sandwich panels, CKD truck/reefer/RV bodies |
| 2 | Holycore (Hangzhou) | Hangzhou, Zhejiang | 2012 | N/A | ISO 9001 | 12 honeycomb lines; 20,000+ sqm facility | - | HolyCore honeycomb cores, HolyPan sandwich panels, foam-core composites |
| 3 | TOPOLO New Materials | Shanghai (HQ) + Qingdao | 2014 | N/A | ISO 9001 | 2 manufacturing bases | - | CFRT UD tapes, FRP/CFRT laminates, PP honeycomb, PET/PU/XPS sandwich |
| 4 | Haxcore Material Technology | Suzhou, Jiangsu | ~2015 | N/A | ISO 9001 | 12-acre facility; 50+ engineers | - | PP honeycomb core, aluminum honeycomb, aramid fiber core, stainless steel core |
| 5 | Qingdao Polycore Technology | Qingdao, Shandong | 2006 | N/A | ISO 9001 | Multi-line extrusion | - | PP honeycomb core, PC honeycomb, FRP composite panels, night blinds |
| 6 | Ecore Packing Co. | Jinan, Shandong | 2012 | N/A | CE, SGS | Multi-line production | - | PP honeycomb panels, corrugated plastic sheets, bubble guard boards, pallet boxes |
| 7 | Changzhou Lesser Honeycomb | Changzhou, Jiangsu | ~2010 | N/A | ISO 9001 | Multi-material lines | - | Aluminum honeycomb, polymer honeycomb cores, architectural cladding panels |
| 8 | Tasuns Composite Technology | Jiaxing, Zhejiang | ~2012 | N/A | CE, ISO 9001 | CNC + autoclave capacity | - | Carbon fiber PP honeycomb, Nomex honeycomb, aluminum honeycomb, CNC cutting |
| 9 | Lonovae Technology | Jiangyin, Jiangsu | 2015 | N/A | CE | 3,000+ sqm; 100+ staff | - | PP honeycomb panels, collapsible pallet containers, returnable packaging |
| 10 | Qingdao Achieving (ChinaHoneycomb) | Qingdao, Shandong | ~2008 | N/A | ISO 9001, SGS | Multi-line extrusion | - | PP honeycomb core, plastic honeycomb sandwich panels, packaging boards |
Data compiled from public sources, company websites, and trade databases as of September 2026. "N/A" means the manufacturer does not publicly disclose patent counts.
1. HOTECH — Zhejiang Haozhuo New Materials Technology
Headquarters: Tongxiang, Jiaxing, Zhejiang, China
Founded: 2017
Employees: 100+
Factory area: 50,000+ sqm in China (plus Malaysia assembly partner)
Website: hotechcomposites.com
HOTECH (trade name of Zhejiang Haozhuo New Materials Technology Co., Ltd.) is the most vertically integrated PP honeycomb panel manufacturer on this list. Unlike competitors who focus on either raw core material or finished panels, HOTECH controls the entire value chain: from PP pellet extrusion through honeycomb core forming, CFRT lamination, sandwich panel assembly, and all the way to complete CKD modular truck bodies and RV trailers.
Why HOTECH Ranks #1
- 31 patents — the highest published patent count among Chinese PP honeycomb manufacturers. Covers core forming processes, CFRT continuous fiber reinforcement, MPP micro-foamed insulation (supercritical CO₂ technology), and CKD body structures.
- National High-Tech Enterprise — government-certified R&D capability, with 40%+ of staff in engineering and technical roles.
- Verifiable credentials — ISO 9001:2015 (quality management) and SGS material testing, alongside the National High-Tech Enterprise designation.
- Malaysia assembly partner (Kulai, Johor) — Joinpro Sdn Bhd, founded in 2024, handles complete vehicle and product assembly in coordination with the material and component manufacturing at HOTECH’s China factory, so buyers can source anything from component supply to complete vehicle assembly.
- 1.5 million sqm/year thermoplastic panel capacity + 37,000+ CKD vehicle bodies/year assembly capacity.
- Five product lines under one roof: PP honeycomb core, CFRT panels, MPP insulation panels, multi-material sandwich panels, and CKD dry freight / refrigerated / RV bodies.
Best for: Buyers who need raw panels and finished vehicle bodies from a single source; buyers who want complete vehicle assembly through HOTECH’s Malaysia partner; OEMs requiring custom panel stacks (varying core thickness, face-sheet materials, surface finishes).
Explore HOTECH products → | Request a quote →
2. Holycore Composite Materials Co., Ltd.
Headquarters: Hangzhou, Zhejiang, China
Founded: 2012 (part of Holley Group, a Top 500 private enterprise in China)
Factory area: 20,000+ sqm
Website: holycorepanel.com
Holycore is one of the longest-running thermoplastic honeycomb composite manufacturers in China. Backed by the Holley Group conglomerate, the company benefits from deep supply-chain resources and industrial capital. They operate 12 honeycomb core production lines, 2 thermoplastic sandwich panel lines, 2 roller painting lines, and 7 CNC engraving machines, with German-imported equipment driving consistent output quality.
Over 40% of their workforce are technical staff, giving Holycore strong product development capability. Their branded product lines — HolyCore® honeycomb cores and HolyPan® sandwich panels — are exported across Europe, North America, Southeast Asia, and Australia. Their focus areas include transportation panels (truck/van/trailer walls and floors), construction partitions, and furniture cores.
Best for: Buyers who want a financially stable supplier backed by a major Chinese conglomerate; projects needing high-volume standard honeycomb core or sandwich panels without heavy customization.
3. TOPOLO New Materials
Headquarters: Shanghai, China (R&D + sales center)
Founded: 2014
Manufacturing bases: 2 (near Qingdao port and Shanghai port)
Website: topolocfrt.com / topologroup.com
TOPOLO positions itself as a composite solutions provider rather than a pure material supplier. With nearly 50 engineers on staff, they offer a one-stop service spanning material selection, mold design, CAE simulation, CNC machining, and final assembly. Their product portfolio is broad: CFRT UD tapes, FRP/CFRT laminates, PP honeycomb panels, PET sandwich panels, and PU/XPS foam sandwich panels.
TOPOLO's dual-base manufacturing (Qingdao for northern logistics, Shanghai for southern) gives them a shipping advantage for buyers in different regions. They serve transportation, construction, furniture, and sports equipment industries. Their CKD and finished-product assembly capability makes them comparable to HOTECH in scope, though they do not publish patent counts or maintain an overseas factory.
Best for: Buyers seeking end-to-end engineering support from design through production; projects needing multiple composite material types (not just PP honeycomb) from one supplier.
4. Suzhou Haxcore Material Technology Co., Ltd.
Headquarters: Suzhou, Jiangsu, China
Founded: ~2015
Factory area: 12-acre facility; 50+ engineers and operators
Website: haxcore.com
Haxcore is a multi-material honeycomb specialist. While many competitors focus exclusively on PP, Haxcore produces aluminum honeycomb core, PP honeycomb core, aramid fiber honeycomb core, and stainless steel honeycomb core — along with finished honeycomb panels in each material. This makes them a strong choice for buyers who need to compare materials for the same application.
Their PP honeycomb core is marketed for truck body logistics, mobile housing, caravans, and packaging applications. The sheets can be bonded with FRP, wood grain sheets, aluminum plate, stainless steel, marble, or rubber face sheets. They have a large modern facility and strong technical team, though they do not offer downstream vehicle body assembly like HOTECH or TOPOLO.
Best for: Buyers who need to evaluate and source multiple honeycomb core materials (PP, aluminum, aramid, stainless steel) from a single supplier; construction and architecture applications.
5. Qingdao Polycore Technology Co., Ltd.
Headquarters: Qingdao, Shandong, China
Founded: 2006
Website: polycore.cn
Polycore is one of the oldest PP honeycomb manufacturers in China, with nearly two decades of experience. Originally known for polycarbonate (PC) honeycomb products used in commercial refrigeration (night blinds, air curtains), the company expanded into PP honeycomb core and FRP composite panels for transportation and structural applications.
Their PP honeycomb core maintains structural integrity across a working temperature range of -20°C to 80°C, and their unique extrusion process creates a three-orientation cell structure (versus the typical two orientations), resulting in more uniform mechanical properties. Applications span marine hull/deck construction, truck walls and floors, automotive panels, and military/medical structures.
Polycore has established long-term relationships with major brands in the refrigeration industry, which provides a stable revenue base. However, their product focus is narrower than vertically integrated manufacturers, and they do not offer finished vehicle body assembly.
Best for: Buyers with marine, automotive, or refrigeration applications; those who value a long-track-record supplier established since 2006.
6. Ecore Packing Co., Ltd.
Headquarters: Jinan, Shandong, China
Founded: 2012
Website: ecorepack.com
Ecore Packing specializes in corrugated plastic sheets and PP honeycomb panels for the packaging and logistics industries. Their PP honeycomb panels are thermally laminated — one honeycomb core layer bonded between two PP face sheets — making them lightweight, moisture-proof, and reusable. Core applications include returnable packaging, automotive interior substrates, and building construction panels.
The company exports to Asia, Australia, New Zealand, Canada, the USA, Mexico, Turkey, Azerbaijan, and Ukraine, indicating a broad international distribution network. They also produce bubble guard boards, multiwall PP sheets, and plastic pallet boxes. While not a high-end composite engineering firm, Ecore offers competitive pricing for standard PP honeycomb panels in high volumes.
Best for: Cost-sensitive buyers needing standard PP honeycomb panels for packaging, logistics, and non-structural applications; large-volume reusable packaging projects.
7. Changzhou Lesser Honeycomb Technology Co., Ltd.
Headquarters: Changzhou, Jiangsu, China
Founded: ~2010
Website: (trade platform presence)
Lesser Honeycomb is a dual-material honeycomb manufacturer producing both aluminum and polymer (PP) honeycomb cores. Their strength lies in architectural and transportation interior applications: cladding panels, partition walls, train interior panels, and structural substrates. The company has invested in multi-material production lines that can switch between aluminum and PP honeycomb depending on order requirements.
Located in Changzhou — an established manufacturing hub in Jiangsu province with excellent rail and highway connections — Lesser benefits from a strong local supply chain for raw materials. They primarily serve the Chinese domestic market but have growing export activity through B2B trade platforms.
Best for: Buyers needing both aluminum and PP honeycomb cores for architectural cladding or transportation interiors; projects where material comparison testing is required.
8. Tasuns Composite Technology Co., Ltd.
Headquarters: Jiaxing, Zhejiang, China
Founded: ~2012
Website: china-composites.net
Tasuns is a carbon fiber and advanced composite specialist that includes PP honeycomb panels in its product portfolio. Their carbon fiber PP honeycomb sandwich panels combine the lightweight, high-fatigue-resistance characteristics of carbon fiber face sheets with the cost efficiency of a PP honeycomb core — an attractive combination for aerospace, racing, and premium automotive applications.
Beyond carbon fiber PP panels, Tasuns manufactures Nomex honeycomb panels, aluminum honeycomb panels, carbon fiber tubes, and offers CNC cutting services for custom shapes. They hold CE and ISO 9001 certifications. Their proximity to HOTECH in the Jiaxing/Zhejiang region means they share access to the same raw material supply chain.
Best for: Buyers needing carbon fiber-faced composite panels with PP honeycomb cores; aerospace, motorsport, and premium industrial applications requiring high-performance sandwich structures.
9. Jiangyin Lonovae Technology Co., Ltd.
Headquarters: Jiangyin, Jiangsu, China
Founded: 2015
Factory area: 3,000+ sqm; 100+ staff
Website: lonovae.com
Lonovae is a plastics manufacturing company that expanded into PP honeycomb panels primarily for the automotive and returnable packaging sectors. Their PP honeycomb panels use a directly-connected-hole structure (versus vertical strip), providing uniform 360-degree stress distribution with superior impact and bending resistance.
The company's main business line is collapsible pallet containers and returnable transport packaging solutions, with PP honeycomb panels as a complementary product. This means Lonovae is a good choice if you need honeycomb panels integrated into a broader packaging system, but they lack the composite engineering depth of dedicated panel manufacturers.
Best for: Automotive OEMs needing PP honeycomb panels integrated with returnable packaging logistics; buyers combining honeycomb panels with pallet/container orders.
10. Qingdao Achieving (ChinaHoneycomb)
Headquarters: Qingdao, Shandong, China
Founded: ~2008
Website: chinahoneycomb.com / cnhoneycomb.com
Qingdao Achieving is a factory-direct manufacturer of plastic honeycomb core and sandwich panels. They focus on the packaging and light-construction segments, producing PP honeycomb core sheets, composite sandwich boards, and custom-cut panel products. Their Qingdao location gives them excellent proximity to one of China's largest ports, making them competitive on export logistics costs.
The company operates under the "ChinaHoneycomb" brand and maintains both a standalone website and active presence on major B2B trade platforms. They offer OEM/ODM services with relatively low minimum order quantities, making them accessible to smaller buyers and distributors.
Best for: Small to mid-volume buyers and distributors looking for factory-direct pricing on standard PP honeycomb panels; those who value port proximity and competitive FOB Qingdao pricing.
How to Evaluate a PP Honeycomb Panel Manufacturer: 6 Key Criteria
When shortlisting suppliers from this list, evaluate each manufacturer against these criteria:
- Patent portfolio — Patents indicate genuine R&D investment and proprietary technology. A manufacturer with 30+ patents (like HOTECH) is far less likely to be a trading company reselling other factories' products. Ask for patent numbers and verify on Google Patents or the CNIPA database.
- Vertical integration depth — Does the manufacturer control core production, lamination, panel assembly, and final product? More integration = better quality control, faster lead times, and lower costs. Only HOTECH and TOPOLO on this list offer the full chain from raw core to finished vehicle bodies.
- Certification completeness — Look for ISO 9001 (quality management), ISO 14001 (environmental), OHSAS 18001 or ISO 45001 (safety), plus third-party material test reports from SGS or TÜV. Our certification verification guide explains how to cross-check →
- Assembly capability — If you need finished vehicle bodies rather than loose panels, check whether the manufacturer can also handle assembly. HOTECH, for example, works with its Malaysia partner Joinpro Sdn Bhd to deliver anything from component supply to complete vehicle assembly.
- Application experience — Has the manufacturer completed projects in your specific industry? A truck body panel supplier may not understand the requirements for marine applications or cleanroom construction. Ask for case studies and reference customers.
- Sample and MOQ flexibility — Established manufacturers should be able to provide samples within 7–14 days. MOQ requirements vary widely; some factories require 1,000+ sqm minimums while others (like HOTECH) offer flexible MOQs for new customers evaluating the product.
For a deeper dive into supplier evaluation, read our complete guide: How to Choose a Composite Panel Manufacturer in China →
Notable Global Players: ThermHex & Plascore
For context, two international manufacturers are worth mentioning alongside China's top producers:
ThermHex Waben GmbH (Germany) — Founded in 2009 as a licensee of EconCore NV (Belgium), ThermHex uses the patented EconCore continuous thermoforming process to produce PP honeycomb core from a single polypropylene film. Their standard core density is 80 kg/m³, available in 3–28mm thickness with 3–9.6mm cell sizes. They developed the Organosandwich semi-finished product (PP honeycomb + glass fiber/PP skins) in 2019, which has become popular in European automotive applications. ThermHex's pricing is premium compared to Chinese manufacturers, but their process consistency is considered best-in-class.
Plascore Inc. (USA) — Founded in 1977 in Zeeland, Michigan, Plascore is the original PP honeycomb manufacturer. They operate 355,000+ sq ft of manufacturing space across four facilities. Their PP honeycomb features a unique three-orientation cell structure (vs. typical two orientations) for more uniform properties, and holds Lloyd's Register certification. Plascore serves marine, automotive, truck/trailer, architectural, and aerospace markets. Their products are priced at a significant premium vs. Chinese alternatives, but carry unmatched brand recognition in the US market.
The key takeaway: Chinese manufacturers like HOTECH now match or exceed the technical specifications of ThermHex and Plascore products, at 30–50% lower prices, with the added advantage of integrated vehicle body assembly through its Malaysia partner.
Frequently Asked Questions
What is the typical MOQ for PP honeycomb panels from Chinese manufacturers?
Minimum order quantities vary significantly. Large factories like Holycore and Polycore typically require 500–1,000 sqm per order. HOTECH offers flexible MOQs starting from 200 sqm for new customers evaluating the material, with standard production runs at 500+ sqm. For CKD vehicle bodies, minimum orders typically start at 20–50 units. Always request sample panels (usually 1–3 sqm) before committing to production quantities.
How do PP honeycomb panels compare to aluminum honeycomb in weight and cost?
PP honeycomb panels are approximately 40% lighter than equivalent aluminum honeycomb panels and 50–60% less expensive on a per-square-meter basis. PP honeycomb also offers superior chemical and moisture resistance, making it better suited for logistics, truck bodies, and marine applications. However, aluminum honeycomb has higher shear strength and heat resistance (>150°C vs. 80°C for PP), making it preferable for aerospace and high-temperature environments. For a detailed comparison, see our Honeycomb Core Materials Guide.
Can Chinese PP honeycomb panels be exported to the US despite tariffs?
Yes. PP honeycomb panels from China can be exported to the US, but they are subject to Section 301 tariffs (25%+ on many HTS codes), so factor duties into your landed cost and confirm current rates with your customs broker before ordering.
What certifications should I require from a PP honeycomb panel supplier?
At minimum, require ISO 9001 (quality management) and SGS or TÜV material test reports for mechanical properties (compressive strength, flexural strength, density). For environmental compliance, look for ISO 14001. For workplace safety, request OHSAS 18001 or ISO 45001. If the supplier claims proprietary technology, verify their patent numbers through CNIPA (China patent office) or Google Patents. A "National High-Tech Enterprise" designation from the Chinese government is an additional credibility signal.
How long is the typical lead time for PP honeycomb panel orders from China?
Standard PP honeycomb core sheets (stock sizes) typically ship within 7–15 days after order confirmation. Custom sandwich panels with specific face-sheet materials and dimensions require 15–25 days. CKD vehicle body orders have longer lead times of 30–45 days depending on complexity and quantity. Samples can usually be provided within 5–10 business days. Add 15–30 days for sea freight to North America or Europe. Always confirm lead times during the quotation stage, as they fluctuate with factory order backlog.
Get a Quote from HOTECH
HOTECH is the only Chinese PP honeycomb panel manufacturer that offers raw core, finished panels, and complete CKD vehicle bodies from a single vertically integrated factory — with 31 patents, ISO 9001:2015 certification, SGS-tested materials, and a Malaysia assembly partner for complete vehicle assembly. Whether you need 200 sqm of sample panels or 10,000 CKD truck bodies, we can help.