2025 Top 10 mower spark plug Factory in China

Jan 19, 2026

Introduction to Mower Spark Plugs

A mower spark plug is a crucial component in a lawn mower's ignition system. It plays a vital role in starting the engine and ensuring its smooth and efficient operation. The spark plug generates an electric spark that ignites the air - fuel mixture in the combustion chamber of the engine. This ignition process is what powers the engine, allowing the lawn mower to cut grass effectively.


The performance of a mower spark plug can significantly impact the overall performance of the lawn mower. A high - quality spark plug provides a strong and consistent spark, which leads to better fuel combustion, reduced emissions, and improved engine power. On the other hand, a faulty or low - quality spark plug can cause problems such as hard starting, rough idling, and decreased fuel efficiency.


Now, let's take a look at the top 10 mower spark plug factories in China in 2025.


1. New Better Auto Parts Co., Ltd

New Better Auto Parts Co., Ltd is a leading manufacturer in the field of spark plugs. The company has been committed to the research, development, and production of high - quality spark plugs for many years. With a team of experienced engineers and advanced production equipment, New Better Auto Parts Co., Ltd can produce spark plugs that meet the strictest international standards.


Features in Mower Spark Plugs


  • High - performance materials: The company uses high - quality materials in the production of mower spark plugs. For example, the electrodes are made of precious metals such as platinum or iridium. These materials have excellent conductivity and heat resistance, which can ensure a stable and strong spark over a long period of time.
  • Precision manufacturing: New Better Auto Parts Co., Ltd adopts advanced manufacturing processes to ensure the precision of each spark plug. The gap between the electrodes is accurately controlled, which is crucial for the proper ignition of the air - fuel mixture in the mower engine.
  • Wide range of applications: Their mower spark plugs are suitable for various types of lawn mowers, including both residential and commercial models. Whether it is a small push - type lawn mower or a large riding lawn mower, New Better's spark plugs can provide reliable ignition performance.


Advantages of the Company


  • Research and development strength: The company invests a large amount of resources in research and development. They are constantly exploring new materials and technologies to improve the performance of their spark plugs. This allows them to stay ahead of the competition in the market.
  • Quality control: New Better Auto Parts Co., Ltd has a strict quality control system. Every spark plug undergoes multiple inspections during the production process to ensure that it meets the highest quality standards. This has earned the company a good reputation among customers.
  • Customer service: The company provides excellent customer service. They have a professional after - sales service team that can quickly respond to customers' questions and solve problems. Their website, https://www.nbtsparkplug.com/, also provides detailed product information and technical support for customers.


2. NGK Spark Plug (Suzhou) Co., Ltd

NGK is a well - known global brand in the spark plug industry. NGK Spark Plug (Suzhou) Co., Ltd is a subsidiary of NGK in China. The company has a long - standing history of manufacturing high - quality spark plugs.


Features in Mower Spark Plugs


  • Advanced technology: NGK has been at the forefront of spark plug technology. Their mower spark plugs use advanced ceramic materials for the insulator, which provides excellent electrical insulation and heat dissipation properties. This helps to prevent misfires and ensures stable engine operation.
  • Long service life: Thanks to the high - quality materials and advanced manufacturing processes, NGK's mower spark plugs have a long service life. They can withstand high temperatures and pressures in the engine combustion chamber, reducing the need for frequent replacement.
  • Optimal ignition performance: The design of NGK's spark plugs is optimized to provide the best possible ignition performance. The shape and size of the electrodes are carefully engineered to create a strong and focused spark, which leads to more efficient fuel combustion.


Advantages of the Company


  • Global brand recognition: NGK is a globally recognized brand, which gives customers confidence in the quality of their products. Their reputation for reliability and performance has made them a preferred choice for many lawn mower manufacturers.
  • Extensive research and development: NGK invests heavily in research and development to continuously improve their products. They collaborate with leading engine manufacturers around the world to ensure that their spark plugs are compatible with the latest engine technologies.
  • Production scale: With a large - scale production facility in Suzhou, NGK can meet the high - volume demand for mower spark plugs in the Chinese market and beyond.


3. Denso (China) Investment Co., Ltd

Denso is another major player in the automotive and power equipment parts industry. Denso (China) Investment Co., Ltd is responsible for the company's business operations in China, including the production of mower spark plugs.


Features in Mower Spark Plugs


  • Innovative design: Denso's mower spark plugs feature an innovative design that focuses on improving ignition efficiency. For example, they use a unique electrode shape that can generate a larger and more stable spark, resulting in better fuel combustion and increased engine power.
  • Environmental - friendly: Denso is committed to environmental protection. Their mower spark plugs are designed to reduce emissions by ensuring more complete combustion of the air - fuel mixture. This helps to meet the increasingly strict environmental regulations.
  • High - temperature resistance: The materials used in Denso's spark plugs have excellent high - temperature resistance. This allows the spark plugs to function properly even in the high - temperature environment of the mower engine, ensuring reliable performance.


Advantages of the Company


  • Comprehensive product portfolio: Denso offers a wide range of products in addition to mower spark plugs, including other automotive and power equipment parts. This allows them to provide integrated solutions to customers and build long - term partnerships.
  • Quality management system: The company has a strict quality management system in place. From raw material procurement to final product inspection, every step is carefully monitored to ensure the quality of the spark plugs.
  • Technical support: Denso provides strong technical support to its customers. Their technical experts can offer advice on product selection, installation, and maintenance, helping customers to get the most out of their mower spark plugs.


4. Torch Spark Plug Co., Ltd

Torch Spark Plug Co., Ltd is a domestic Chinese company with a long history in the spark plug manufacturing industry.


Features in Mower Spark Plugs


  • Cost - effective: Torch offers mower spark plugs at a relatively low cost without sacrificing quality. This makes their products very attractive to price - sensitive customers, especially in the domestic market.
  • Localized production advantages: As a domestic company, Torch has a better understanding of the Chinese market and can quickly respond to market changes. They can also reduce production and transportation costs through localized production.
  • Customization services: The company provides customization services for mower spark plugs. They can develop spark plugs according to the specific requirements of customers, such as different electrode materials, gap sizes, and thread lengths.


Advantages of the Company


  • Market penetration: Torch has a wide sales network in China, which allows them to quickly distribute their products to different regions. Their products are well - known in the domestic market and have a high market share.
  • Technical innovation: Although Torch is a domestic company, it also attaches great importance to technical innovation. They continuously introduce new technologies and improve their production processes to enhance the performance of their spark plugs.
  • After - sales service: Torch provides good after - sales service. They have service centers in many cities, which can provide timely maintenance and replacement services for customers.


5. Bosch (China) Investment Ltd

Bosch is a world - renowned multinational company with a strong presence in the automotive and power tools industries. Bosch (China) Investment Ltd is involved in the production and sales of mower spark plugs in China.


Features in Mower Spark Plugs


  • High - quality brand: Bosch is known for its high - quality products. Their mower spark plugs are no exception. They use high - grade materials and advanced manufacturing techniques to ensure the reliability and durability of the spark plugs.
  • Intelligent technology: Bosch is at the forefront of intelligent technology in the automotive industry. Their mower spark plugs may incorporate some intelligent features, such as self - diagnostic functions, which can help users detect problems in time.
  • Compatibility: Bosch's mower spark plugs are designed to be highly compatible with a wide range of lawn mower engines. This makes it easier for customers to find the right spark plug for their specific lawn mower.


Advantages of the Company


  • Global R & D resources: Bosch can draw on its global research and development resources to develop and improve its mower spark plugs. This allows them to stay at the cutting - edge of technology and offer products with superior performance.
  • Brand influence: The Bosch brand has a strong influence around the world. Customers are more likely to trust and choose Bosch products because of its reputation for quality and innovation.
  • Service network: Bosch has a comprehensive service network in China. Customers can easily get technical support, product replacement, and maintenance services from Bosch's service centers.


6. Champion Spark Plug (China) Co., Ltd

Champion is a well - established brand in the spark plug industry. Champion Spark Plug (China) Co., Ltd is engaged in the production and sales of mower spark plugs in the Chinese market.


Features in Mower Spark Plugs


  • Heritage of performance: Champion has a long - standing heritage of producing high - performance spark plugs. Their mower spark plugs are designed to provide quick and reliable ignition, which is essential for the smooth start - up and operation of lawn mower engines.
  • Heat range control: Champion's spark plugs have excellent heat range control. They can maintain the optimal temperature in the combustion chamber, preventing over - heating or fouling of the spark plug. This helps to ensure the long - term performance of the lawn mower.
  • Easy installation: The design of Champion's mower spark plugs makes them easy to install. They are compatible with standard lawn mower engine configurations, and users can install them without much technical knowledge.


Advantages of the Company


  • Brand loyalty: Champion has a large number of loyal customers around the world. Their reputation for quality and performance has been built over many years, and customers are willing to continue using their products.
  • Product innovation: The company is constantly innovating and improving its products. They are exploring new materials and designs to further enhance the performance of their mower spark plugs.
  • Technical training: Champion provides technical training to its customers and dealers. This helps to improve the installation and maintenance skills of users, ensuring the proper use of their spark plugs.


7. ACDelco (China) Co., Ltd

ACDelco is a well - known automotive parts brand. ACDelco (China) Co., Ltd also offers mower spark plugs as part of its product portfolio.


Features in Mower Spark Plugs


  • Original equipment quality: ACDelco's mower spark plugs are of original equipment (OE) quality. This means that they are designed and manufactured to meet the same standards as the spark plugs used in new lawn mowers by major manufacturers.
  • Reliable ignition: The spark plugs provide reliable ignition performance, even in harsh conditions. They can start the lawn mower engine quickly and keep it running smoothly, reducing the risk of engine misfires.
  • Durable construction: ACDelco uses durable materials in the construction of its mower spark plugs. The electrodes and insulators are designed to withstand wear and tear, ensuring a long service life.


Advantages of the Company


  • OE partnership: ACDelco has partnerships with many original equipment manufacturers. This allows them to have access to the latest engine technologies and design requirements, ensuring the compatibility and performance of their spark plugs.
  • Quality assurance: The company has a strict quality assurance system. Every ACDelco mower spark plug undergoes rigorous testing before leaving the factory, ensuring that it meets the highest quality standards.
  • Customer support: ACDelco provides comprehensive customer support. They have a dedicated customer service team that can answer customers' questions and provide assistance with product selection and installation.


8. NGK - NTK (China) Co., Ltd

NGK - NTK (China) Co., Ltd is an important part of the NGK group in China. In addition to the general spark plug business, it also focuses on some high - end and specialized spark plug products for mowers.


Features in Mower Spark Plugs


  • Ultra - high - performance materials: The company uses ultra - high - performance materials in its mower spark plugs. For example, they may use advanced ceramic composites and high - purity precious metals, which can provide extremely high conductivity and heat resistance.
  • Precision engineering: NGK - NTK's spark plugs are engineered with high precision. The manufacturing process is strictly controlled to ensure that each spark plug has consistent performance, which is crucial for high - end lawn mower engines.
  • Custom - made for high - end mowers: Their spark plugs are often custom - made for high - end lawn mower models. These mowers usually have more demanding performance requirements, and NGK - NTK's spark plugs can meet these requirements.


Advantages of the Company


  • Advanced technology transfer: As part of the NGK group, NGK - NTK (China) Co., Ltd can transfer advanced technologies from its global R & D centers. This allows them to offer products with state - of - the - art performance.
  • High - end market positioning: The company focuses on the high - end market, which allows them to provide high - quality products and services. Their products are often preferred by customers who are looking for the best performance for their high - end lawn mowers.
  • Technical cooperation: NGK - NTK (China) Co., Ltd cooperates closely with high - end lawn mower manufacturers. This cooperation helps them to understand the latest design requirements and develop more suitable spark plug products.


9. DENSO Spark Plug (Tianjin) Co., Ltd

DENSO Spark Plug (Tianjin) Co., Ltd is a key production base of Denso in China. It is dedicated to the production of high - quality mower spark plugs.


Features in Mower Spark Plugs


  • Lean manufacturing: The company adopts lean manufacturing principles in the production of mower spark plugs. This ensures high - efficiency production while maintaining strict quality control.
  • Energy - efficient design: DENSO's spark plugs are designed with energy efficiency in mind. They can help the lawn mower engine to consume less fuel while achieving the same level of performance.
  • Enhanced anti - fouling properties: The spark plugs have enhanced anti - fouling properties. This means that they are less likely to be fouled by carbon deposits, which can extend their service life and improve the overall performance of the lawn mower.


Advantages of the Company


  • Local production advantages: Locating in Tianjin, the company has access to a well - developed supply chain and a large pool of skilled labor. This allows them to reduce production costs and improve production efficiency.
  • Denso's global R & D support: As a part of Denso, the company can benefit from Denso's global research and development support. They can quickly introduce new technologies and improvements to their mower spark plugs.
  • Quality - driven culture: DENSO Spark Plug (Tianjin) Co., Ltd has a strong quality - driven culture. All employees are committed to producing the highest - quality spark plugs, and this has led to a high level of customer satisfaction.


10. Toshiba (China) Co., Ltd (Spark Plug Division)

Although Toshiba is better known for its electronics products, its spark plug division in China also offers mower spark plugs.


Features in Mower Spark Plugs


  • Electrical technology integration: Toshiba can integrate its advanced electrical technology into the design of mower spark plugs. This may result in spark plugs with better electrical conductivity and more stable spark generation.
  • Miniaturization design: The company is exploring miniaturization design for mower spark plugs. This can make the spark plugs more compact and suitable for modern, space - constrained lawn mower engines.
  • Smart spark plug concept: Toshiba is working on the concept of smart spark plugs. These spark plugs may be able to communicate with the lawn mower's control system to optimize ignition timing based on different operating conditions.


Advantages of the Company


  • Technological diversification: Toshiba's diversified technological background allows it to bring new ideas and technologies to the spark plug industry. This can lead to the development of innovative mower spark plug products.
  • Brand strength: The Toshiba brand has a certain influence in the market. Customers may be more willing to try their spark plug products because of the brand's reputation for quality and innovation.
  • Research and development capabilities: Toshiba has strong research and development capabilities. They can invest in long - term R & D projects to continuously improve the performance and features of their mower spark plugs.


Conclusion

The top 10 mower spark plug factories in China in 2025 represent a diverse range of companies, including both domestic and international players. Each company has its own unique features and advantages in the production of mower spark plugs.


Some companies, like New Better Auto Parts Co., Ltd and Torch Spark Plug Co., Ltd, focus on providing cost - effective and customized solutions for the market. Others, such as NGK and Bosch, are known for their global brand recognition, advanced technology, and high - quality products.


The competition among these companies is fierce, which is beneficial for customers as it drives continuous innovation and improvement in the quality and performance of mower spark plugs. As the demand for lawn mowers continues to grow, both in the domestic and international markets, these top 10 factories are well - positioned to meet the needs of customers with their high - quality products and excellent services. In the future, we can expect to see more advanced and innovative mower spark plug products from these leading companies.