EFRON Composites (Dongguan) Co., Ltd. Is an excellent provider of sealing materials and electric heating film products and solutions; EFRON is part of JONYOHTO Group.

JONYOHTO Group is a high-tech enterprise integrating R&D, production and sales of electrically heated film/sheet and metal skeleton composite sealing coil. The company focuses on service areas: New energy automotive power battery, energy storage, medical equipment and daily appliances heating, automotive, diesel engine, motorcycle, compressor and other cavity sealing materials.

The group has passed IATF16949 automotive quality management system and ISO14000/9000 certification. The company has established school-enterprise cooperation with East China University of Science and Technology, South China University, Guangdong University of Technology and other domestic institutions of higher learning, contracted a team of 6 professors and doctors, and employed 3 visiting professors from universities, with 3 independent invention patents and more than 30 utility model invention patents. Among them, the first domestic electric heating film chip die-cutting process to break the industry's traditional non-environmental process problems, and then on the basis of this integrated online AOI detection and MES traceability system, further in the new energy vehicle power battery heating film safety and environmental protection in the field of leading, at the same time to improve production, energy saving and cost reduction has significant results.

After years of scientific research and development and practice, the company has the first domestic production line of metal skeleton composite sealed foam sheet coil with independent intellectual property rights in China, and the product quality is comparable to the world's leading brands and is exported to all over the world with favorable prices.

The Group has filled the gaps in China's domestic industry in several projects and is ahead of the industry technology level, and has established good development cooperation with the world's top new energy vehicle power battery companies and diesel engine companies, becoming their important supply partners.