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DOREXS by Chengdu Mengsheng Electronics Co., Ltd. delivers high-performance electromagnetic interference (EMI) filters, power line noise suppression, and surge protection solutions since 2006. Trusted globally for reliability, compliance, and innovation.
Chengdu Mengsheng Electronics Co., Ltd., operating under the brand DOREXS, has been a trusted provider of electromagnetic compatibility (EMC) solutions since 2006. We specialize in the design, manufacturing, and global distribution of EMI power line filters, pulse group suppression systems, and surge protection devices.
With over 3,000 square meters of production space and certifications including CE, ISO9001, and ISO13485, we ensure every product meets the highest international standards. Our expertise in foreign trade export enables seamless delivery to clients across North America, Europe, and Asia.
Square Meters Facility
Years of Experience
Certified Quality
Export Reach
We combine engineering excellence with customer-focused service to deliver reliable, high-performance EMI filtering solutions.
CE, ISO9001, and ISO13485 certified manufacturing processes ensure compliance and reliability.
Dedicated support team ensures prompt assistance and technical guidance.
Eliminate middlemen and benefit from competitive pricing on all EMI filter series.
Proven track record in international logistics and export compliance.
Explore our comprehensive range of high-performance EMI power line noise filters designed for single-phase, three-phase, high-voltage, and on-board applications.
Fuse & Socket Type | Rated Current: 1A–10A
Ideal for compact installations requiring integrated fuse and socket protection.
Rated Current: 100A–200A | 380VAC–480VAC
High-capacity solution for industrial three-phase systems with superior noise suppression.
Rated Current: 3A–20A | Single-Phase
Engineered for maximum noise attenuation in sensitive electronic environments.
Fuse, Rocker Switch & Socket | 1A–10A
All-in-one design with safety fuse and switch for easy integration.
Rated Current: 1A–10A | PCB Mount
Compact on-board filter for embedded systems and control boards.
Rated Current: 1A–20A | Universal Design
Versatile EMI filter suitable for a wide range of AC power applications.
Rated Current: 40A–60A | Single-Phase
High-current variant for industrial machinery and heavy-duty equipment.
Rated Current: 40A–100A | 380VAC–480VAC
Robust filtering for three-phase motors, inverters, and industrial drives.
Engineered for performance, durability, and compliance.
Superior noise suppression across a broad frequency spectrum ensures clean power delivery.
Supports 220VAC to 480VAC systems, ideal for global industrial applications.
Space-saving designs with modular configurations for easy integration.
Models with built-in fuses, switches, and IEC sockets enhance operational safety.
High-quality materials ensure stable performance under continuous load.
Designed to meet CE, FCC, and other international EMI/EMC standards.
Years in Business
m² Production Area
Product Models
Global Markets
An EMI (Electromagnetic Interference) filter suppresses high-frequency noise on power lines, ensuring clean power supply and compliance with EMC regulations.
No. Single-phase filters are designed for 2-wire or 3-wire single-phase systems. Use three-phase EMI filters for 3-phase power applications.
Yes. Our DAC44 and 380VAC–480VAC multipurpose three-phase filters are rated for up to 480VAC operation.
Yes. Our manufacturing facility holds CE, ISO9001, and ISO13485 certifications, ensuring product quality and reliability.
Choose a filter with a rated current equal to or higher than your system’s maximum load current for safe and efficient operation.
For inquiries, technical support, or custom solutions, reach out to our team.
No.99 Jieneng Avenue, Huai Kou Town, Jintang County, Chengdu City, Sichuan Province (Jintang Industrial Park)
19915694506
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