Choose high-quality new energy and shielding materials
Innovative Manufacturing · Quality Commitment · Professional Service
View our productsSuperior Product Quality
Strictly adhering to ISO9001 quality management standards, every process undergoes precision inspection to ensure zero-defect delivery.
Extensive production experience
20 years of experience in shielding and new energy materials manufacturing, serving 500+ enterprise clients with deep expertise in industry-specific technical requirements.
Comprehensive after-sales service
7×24 hours of technical support with rapid response to customer needs and lifetime quality assurance.
Our Products
Specializing in new energy materials, electromagnetic shielding, and advanced thermal management. We offer high-performance products including CVD carbon heat dissipation films, copper-carbon composite heat sinks, aluminum foil, copper foil, aluminum-coated films, copper-coated films, vacuum silver-plated films, shielding materials, and conductive foam.

Thermal diamond film
Ultra-high thermal conductivity diamond film, offering 5 times the thermal performance of copper for high-end heat dissipation and thermal management applications.
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Shielding material
Electromagnetic shielding materials for protecting electronic devices from electromagnetic interference.
View DetailsCVD Carbon Thermal Spread Film
Ultra-high thermal conductivity films fabricated via pure chemical vapor deposition (CVD) achieve thermal conductivities up to 2000-2300 W/m·K. With exceptional thermal stability and atomic-level surface flatness, they are ideal for AI chip near-junction heat dissipation, high-end laser optical windows, 5G millimeter-wave device substrates, and quantum computing chip packaging.
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Vacuum bright silver plating film
Vacuum Bright Silver Film (PET/PI/FEP/Glass Substrate) leverages four core properties—high conductivity, high reflectivity, electromagnetic shielding, and antimicrobial performance—to serve six key industries: Electronics & 5G Communications, Optics & Precision Instruments, Aerospace, New Energy Vehicles, Healthcare, and Photovoltaics/New Energy.
View DetailsTechnical Capabilities
Equipped with advanced production facilities and a professional technical team to ensure product quality and on-time delivery.
Advanced Equipment · Precision Craftsmanship
Machining Center
Equipped with over 30+ imported machines, including fully automated production lines and metal rolling equipment, ensuring high processing precision.
Automated production line
Multi-function integrated fully automated production line with high cleanliness standards, daily output up to 10 million meters.
Professional Testing Center
Shielded rooms, salt spray testers, coordinate measuring machines (CMM), spectral analyzers, and other precision testing equipment.
R&D Team
20+ senior engineers providing end-to-end services from design to mass production



Innovation · Doing better for our customers
Continuous R&D investment, adoption of advanced equipment, and process optimization to deliver superior products and services.
About Yimai Technology
Yimai Technology was founded in 2004. As a high-tech enterprise, we specialize in the R&D, production, and sales of shielding materials and new energy materials. Our facility spans 20000 square meters and is equipped with advanced production equipment and testing instruments.
We serve multiple industries including telecommunications, automotive manufacturing, display terminals, electronic medical devices, and aerospace, with long-term stable partnerships established with over 500 enterprise clients. Certified under quality management systems such as ISO9001 and IATF16949, we ensure consistent and reliable product quality.

