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Top 10 China PTC Heating Film Manufacturers in 2025
In 2025, the PTC (Positive Temperature Coefficient) heating film market in China continues to expand rapidly, fueled by the growing demand for electric vehicle (EV) battery heating, underfloor heating, medical therapy pads, and smart wearable applications. China has evolved into the global hub for PTC heating film manufacturing, offering high-quality products that meet international safety and energy efficiency standards.
International buyers are increasingly searching for reliable China PTC heating film manufacturers that can provide customizable, energy-efficient, and certified products. In this blog, we will introduce the Top 10 PTC heating film factories in China for 2025, analyze the industry outlook, and provide practical strategies for global buyers.
XHC Leading OEM PTC Heating Film Manufacturer
Website: XHC-Heater
Company Overview:
With nearly 30 years of expertise in the heating industry, XHC Heater is recognized as a world-leading PTC heating film manufacturer and trusted OEM partner. XHC specializes in customized heating solutions for EV battery thermal management, home floor heating, medical beds, pet warmers, and industrial heating systems.
Core Competitiveness:
Rapid heating & strong PTC effect: Our films reach 40°C in 24 seconds, with resistance exponentially increasing at the 50°C Curie temperature, ensuring automatic self-regulation and energy savings.
Safe and eco-friendly: Self-limiting current prevents overheating and reduces power consumption.
Global certifications: CE, RoHS, UKCA, FACC, MET UL – meeting worldwide market requirements.
OEM & customization: Tailor-made solutions for diverse B2B clients, from EV manufacturers to home appliance brands.
Global market recognition: Products exported to Europe, North America, and Asia, earning long-term client trust.
XHC Heater has proven its reliability and innovation in three decades of market competition, making it a first-choice PTC heating film factory in China for international buyers seeking quality and sustainability.
Guangdong Nuanfeng Electric Heating Technology Co., Ltd
Company Overview:
As a leading factory in the electric heating field with over 30 years of experience in the electric heating industry.
Advantages:
- Independent R&D capability: Independently develops electric heating paste with high electro-thermal conversion efficiency, fast thermal response, stable and non-decaying heating power, and precise control of far-infrared wavelength.
- Technological innovation: Cooperates with Baotailong to apply graphene to the electric heating paste, improving performance.
- Strong R&D foundation: Has established a high-standard laboratory, a professional team, and advanced equipment, and cooperates with many authoritative institutions.
- Product flexibility: Its products cover a wide temperature range, and the base material, heating temperature, size, shape, and voltage can all be customized.
- Diverse application fields: Applied in industrial heating, health physiotherapy, and other fields.
Xiwang New Material Technology Co., Ltd.
Company Overview:
Founded by Professor Feng Guanping, a pioneer in the graphene industry in 2015, it has core patented technology in graphene electric heating modules and systems.
Advantages:
- Complete industrial ecosystem: Covers the entire chain from upstream technology R&D and raw material production to downstream product applications, industry cooperation, and channel sales.
- Diverse application fields: Products are applied in medical health, thermal management, heating systems, and other fields.
- Certification recognition: Has obtained multiple certifications for its products.
Shenzhen Well - Power Thermal Technology Co., Ltd.
Company Overview:
A national high – tech enterprise focusing on thermal management technology, solutions, and products for high – precision equipment and mobile Internet terminal products.
Advantages:
- Rich experience in thermal design, simulation, and modeling. Its product range includes ultra – thin VC, ultra – thin heat pipes, PTC heaters, and more.
Dongguan Longji Electronics Co., Ltd
Company Overview:
A pioneer in China’s PTC material R&D and production, with a long-standing presence in the industry. It has built a comprehensive industrial chain covering PTC element manufacturing, heating device assembly, and downstream application development. Committed to technological innovation, the company has accumulated rich experience in material formula optimization and product structure design, becoming a trusted partner for domestic and foreign clients in the electric heating sector.
Advantages
- Large-scale production capacity: Annual output and sales of over 100 million PTC elements and 10 million sets of various PTC heating devices.
- Superior product performance: High reliability, safety, energy efficiency, constant-temperature heating, no open flame, high heat conversion rate, minimal impact from power voltage fluctuations, and long service life.
- Strong R&D collaboration: Partners with multiple scientific research institutes and universities on industry-university-research projects to drive technological progress.
- Global market recognition: Holds numerous international certifications and actively expands overseas markets.
- Diversified product portfolio via subsidiaries:
- Taiyang Electronics (Dongguan) Co., Ltd.: Produces PTC-based heat-source devices and MMH thick-film heaters, featuring safe operation, constant-temperature self-control, long lifespan, and anti-dry-burning functions.
- Hongyang Thermal Energy Technology Co., Ltd.: Manufactures far-infrared electric heating film components with long durability, uniform heat distribution, and strong far-infrared radiation.
Hangzhou Heatwell Electric Technology Co., Ltd.
Company Overview:
Specialized in R&D, production, and sales of electric heating elements and components. It provides comprehensive heating solutions for various industries, with products widely used in home appliances, automotive, and industrial fields.
Advantages
- Industry leadership: A global leader in the electric heating component industry, boasting a high market share and strong brand influence.
- Mass production: Operates multiple professional factories both in China and overseas, ensuring large – scale production and global supply.
- Innovation – oriented: Actively promotes green – low – carbon and new energy transformation, and constantly innovates in product technology to meet market demands.
Zhenjiang Dongfang Electric Heating Technology Co.,Ltd
Company Overview:
Established in 1992, it is a leading enterprise in the domestic electric heating industry. Focuses on R&D, production, and sales of electric heating products, with a wide product range covering PTC heaters, home appliance heating elements, and industrial heating equipment.
Advantages
- Standard – setting status: The main drafter of relevant standards for explosion – proof electric heaters and daily tubular electric heating elements, demonstrating its technical authority.
- Large – scale manufacturing: A major manufacturer of air – conditioning auxiliary electric heaters in China, with large – scale production capacity to ensure stable product supply.
- Abundant experience: With over 30 years of development, it has rich experience in the electric heating field, which helps continuously optimize product performance.
Huagong Technology Industry Co., Ltd.
Company Overview:
A high – tech enterprise integrating R&D, production, and sales. In the heating device area, it focuses on PTC – related products, applying advanced technologies in electronics and materials.
Advantages
- Robust R&D resources: Backed by strong R&D capabilities, it has advanced technology and a professional R&D team, ensuring continuous product innovation.
- Quality guarantee: Equipped with strict quality control systems, its products feature high reliability and stability, winning wide market recognition.
- Diverse applications: Products are widely used in different industries, especially in the automotive and home appliance sectors, showing strong adaptability.
Jiangsu Watech Electronic Technology Co., Ltd.
Company Overview:
A platform-based semiconductor company with core technologies in multiple links of the semiconductor industry chain, involving RF products, power series products and advanced heat dissipation materials, applied in high-power scenarios.
Advantages
Solid core technologies in the semiconductor field, with coordinated development of the industrial chain
Products suitable for high-power scenarios with reliable performance
Strong R&D capabilities, with rapid technology update and iteration
Shanghai HeatFlow Technology Co., Ltd.
Company Overview:
Has certain strength in hot runner systems and related heating devices, acts as an agent for well-known brand products, and provides injection molding, electric heating and other technical services with complete pre-sales and after-sales services.
Advantages
- Agents of high-quality brand products, ensuring quality)
- Provide diversified technical services to meet customers’ various needs)
- Complete service system, good customer experience)
Market Outlook and Competitive Landscape in 2025
The PTC heating film industry in 2025 is poised for sustained growth as EV adoption, home electrification, and global energy-efficiency standards continue to rise. Demand for self-regulating, eco-friendly heating solutions is expected to grow by 15–20% annually, with EV battery heating and underfloor heating driving exports.
Competition among Chinese suppliers is intensifying. Companies are investing heavily in automation, advanced R&D, and international certifications to win global trust. The leaders of tomorrow will be those who combine technical innovation, OEM flexibility, robust supply chains, and after-sales support. In particular, IoT-compatible and ultra-thin flexible PTC films are expected to become mainstream in the next five years.
Strategic Advice for Global Buyers
When sourcing from a PTC heating film factory in China, buyers should conduct a comprehensive evaluation to ensure quality and reliability. Key factors include:
Technical strength & R&D capabilities: Verify the supplier’s ability to provide custom solutions and handle high-precision thermal applications.
Production capacity & supply chain reliability: Stable raw materials and timely delivery reduce operational risks.
Certifications & compliance: Confirm CE, RoHS, UL, UKCA, and other market-specific certifications.
Diverse customer base & market experience: Proven track records in multiple markets indicate stability and trustworthiness.
After-sales service & technical support: A supplier offering installation guidance, testing reports, and responsive service ensures long-term value.
Choosing a supplier with both production strength and service commitment provides the highest ROI for international buyers.
Conclusion
Selecting the right China PTC heating film manufacturer requires considering technical expertise, OEM capabilities, certifications, supply chain reliability, and long-term market credibility.
Among the Top 10 PTC heating film suppliers in 2025, XHC Heater stands out as the most reliable partner, combining 30 years of innovation, global certifications, and customizable, high-performance products. Our rapid-heating, self-regulating PTC films have been proven in global markets, earning client trust and long-term cooperation.
If you are looking for a trusted heating film supplier to support your EV battery, floor heating, or industrial projects, XHC Heater is your ideal partner for safety, efficiency, and durability.


