FILN is a globally trusted electronic component manufacturer specialising in push button switches, indicator lights, rocker switches, waterproof switches, metal push buttons, toggle switches and customised electrical control solutions. With more than 25 years of manufacturing experience, FILN has become a reliable OEM & ODM partner for industrial customers, wholesalers, equipment manufacturers and automation companies worldwide.
Our products are widely exported to Europe, North America, South America, the Middle East, Southeast Asia and other international markets. We are committed to delivering stable quality, competitive pricing, fast delivery and professional technical support for every customer around the world.

Yulin Electronics Co., Ltd. is located in Wenzhou, Zhejiang Province, China, and was officially established in 2011. The predecessor company, Wenzhou Xinglin Electrical Accessories Factory, was founded in 2006. FILN integrates product R&D, manufacturing, international sales and technical service, focusing on high-quality industrial switches and electronic accessories.
Through continuous technological innovation and modern intelligent manufacturing, FILN products are now exported to more than 100 countries and regions worldwide. Our customers include industrial equipment manufacturers, EV charging solution companies, marine equipment suppliers, kitchen appliance factories, automation integrators and electrical distributors.
The company owns a modern factory covering nearly 10,000 square metres, equipped with advanced CNC machining centres, automated production workshops, precision injection moulding systems, independent electrical testing laboratories, laser engraving machines and more than 20 professional assembly production lines.
FILN strictly follows ISO9001 quality management standards throughout the entire production process. Every product undergoes multiple inspection procedures, including electrical testing, durability testing, waterproof testing, appearance inspection and functional verification to ensure long-term stability and safety.
Our products are widely used in industrial automation equipment, new energy systems, EV charging stations, energy storage equipment, household appliances, automotive electronics, marine control systems, camper vans, medical equipment and intelligent security systems.
FILN products comply with international certifications and environmental standards, including UL, CE, ROHS, REACH, TUV and CB certifications, providing customers with reliable quality assurance and global market compliance support.
Rich experience in industrial switches and electronic components manufacturing enables us to provide stable quality and mature production solutions.
Professional engineers continuously develop innovative products and customised solutions according to international market demands.
Products comply with UL, CE, ROHS, REACH, TUV and CB standards, helping customers smoothly enter global markets.
We provide logo customisation, terminal design, wiring solutions, panel integration and exclusive product development services.
Intelligent manufacturing systems and mature production management ensure fast delivery times and stable large-volume production capability.
Independent testing laboratories and strict QC inspection procedures ensure high reliability and long product service life.
Extensive export experience enables us to support customers with international logistics, certifications and professional technical communication.
FILN supports free sample applications for qualified customers, helping clients quickly evaluate product quality and compatibility.
FILN production workshops operate under strict 5S management standards, maintaining a clean, organised and highly efficient manufacturing environment. Standardised operating procedures and professional staff training ensure consistent product quality and production stability.
FILN adopts an advanced ERP inventory management system with sufficient raw material reserves and efficient stock control processes. This enables fast production scheduling, stable supply capability and rapid global delivery response.
Intelligent automated manufacturing equipment significantly improves production efficiency, product consistency and assembly precision. Automated production lines help reduce human error while ensuring stable large-scale manufacturing capability.
FILN uses advanced CNC machining technology to manufacture precision metal components with excellent dimensional accuracy and stable product quality. Professional machining processes ensure reliable performance and premium finishes.
Our injection moulding workshop is equipped with advanced moulding machines and precision mould systems. Strict production management and quality control ensure excellent product consistency, durability and structural precision.
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