Phone: +86-816-2295680
E-mail: sales@dongfang-insulation.com
Core Materials for Upgm308 Power Solutions
Engineered for demanding power and electrical environments, our flagship product lines deliver outstanding dielectric performance, thermal stability, and mechanical durability across industrial and utility-scale deployments.
Powering the World with Advanced Insulation
Sichuan EM Technology Co., Ltd., established in 1966 and headquartered in Mianyang, Sichuan, south-west part of China, as the 1st public company of electrical insulation material manufacturer in China and National Insulation Material Engineering Technical Research Center, we have comprehensive R&D and manufacturing capabilities to manufacture polyester films, halogen-free polycarbonate and polypropylene films, capacitor polypropylene films, rigid & flexible laminates, mica tapes, thermosetting composites, precision coating product, molding compounds (DMC, SMC), functional PET chips (FR PET chip, anti-bacterial PET chip, etc.), impregnating varnishes and wire enamels, PVB resin & interlayers, special resin (esp. for CCL), etc. We are certified by ISO9001, IATF16949:2016, ISO10012, OHSAS18001 and ISO14001.
We export to the worldwide markets in varied industries, including power generation equipment, UHV power transmission, smart grid, new energy, rail transportation, consumer electronics, 5G communication, and panel display. EMT has established long-term and stable cooperative partnerships with all our partners across the world, whilst providing strong supports in manufacturing services to original equipment manufacturers (OEMs).
What Makes Upgm308 the Standard for Power Applications?
Upgm308 represents a category of high-grade glass-fiber-reinforced thermosetting composite laminates engineered specifically for power generation, power distribution, and high-voltage insulation systems. It delivers exceptional electrical insulation, superior thermal resistance, and robust mechanical performance under the most demanding conditions in modern electrical engineering.
Superior Dielectric Performance
Upgm308 laminates exhibit a dielectric strength typically exceeding 20 kV/mm, maintaining stable electrical isolation even at elevated temperatures and under prolonged high-voltage stress — critical for transformers, switchgear, and bus bar insulation in power systems.
Thermal Stability Class F/H
With a continuous operating temperature range of up to 180°C (Class H), Upgm308 maintains its structural and electrical integrity in high-load cycles, motor insulation, generator end-turn supports, and industrial furnace applications where thermal excursions are routine.
Mechanical Robustness
The glass-woven fabric reinforcement in Upgm308 provides an outstanding flexural strength of up to 420 MPa, combined with high compressive strength, making it the preferred structural insulation material for load-bearing applications in electrical assemblies.
Low Moisture Absorption
Upgm308 demonstrates excellent moisture resistance, with water absorption values as low as 0.3%, ensuring reliable performance in humid or outdoor electrical environments including coastal substations and marine power distribution equipment.
Halogen-Free & Eco-Compliant
Manufactured in compliance with RoHS and REACH directives, halogen-free Upgm308 variants reduce toxic gas generation during thermal events, meeting stringent safety requirements for rail traction equipment, EV charging infrastructure, and green energy installations.
Precision Machinability
Upgm308 panels can be precisely machined, punched, drilled, and milled to tight tolerances, enabling complex insulation component geometries for electrical switchboard panels, high-frequency transformer barriers, and precision motor slot liners.
Deep-Dive: Upgm308 in Power Industry Use Cases
From utility-scale power grids to precision EV drive systems, Upgm308 plays a defining role across the entire energy value chain.
UHV Power Transmission
Upgm308 barriers and spacers provide critical insulation within ultra-high-voltage (UHV) transformers and GIS equipment, ensuring arc resistance and partial discharge suppression at 1000 kV AC and ±800 kV DC systems.
New Energy & EV Systems
Battery module insulation barriers, motor stator slot liners, and inverter bus bar separators in electric vehicles and energy storage systems rely on Upgm308's combination of thermal endurance and compact form factor.
Wind & Solar Power
Generator nacelle insulation, offshore transformer platforms, and inverter housings in renewable energy plants use Upgm308 for its resistance to UV, moisture, and thermal cycling under variable environmental conditions.
Rail Traction Applications
High-speed rail traction motors, auxiliary converters, and onboard transformer insulation depend on Upgm308's vibration resistance and IEC-compliant electrical performance across -40°C to 155°C operating ranges.
Industrial Power Distribution
Switchgear panels, MCC bus bars, and medium-voltage transformer mounting boards in heavy manufacturing facilities use Upgm308 to meet short-circuit withstand and long-term thermal aging requirements.
5G & Smart Grid Infrastructure
Base station power supply insulation frames and smart metering equipment enclosures incorporate Upgm308 for its stable dielectric constant and minimal signal loss characteristics in RF-intensive environments.
Marine & Offshore Power
Ship propulsion system insulation, offshore platform switchboards, and subsea power connectors leverage Upgm308's exceptional salt-spray resistance, tracking resistance (CTI >600 V), and IEC 60092 compliance.
Aerospace & Defense Power
Military power electronics, avionics power distribution units, and satellite power conditioning modules use certified grades of Upgm308 for extreme altitude, vibration, and thermal performance compliance.
Commercial & Industrial Trends Driving Upgm308 Demand
The global power sector is undergoing transformational change. These macro trends are creating unprecedented demand for advanced insulation composites like Upgm308 across both established and emerging markets.
Global Energy Transition & Net-Zero Commitments
As governments worldwide accelerate their transition from fossil fuels to renewable energy, the demand for high-performance insulation materials in wind turbines, solar inverters, and grid-scale battery storage systems is projected to grow at a CAGR exceeding 8% through 2030. Upgm308 is ideally positioned at the intersection of these growth vectors.
UHV Grid Expansion in Asia-Pacific
China's State Grid Corporation and regional utilities across India, South Korea, and Southeast Asia are investing over $300 billion in UHV transmission infrastructure this decade. Each UHV transformer project requires substantial quantities of Upgm308-grade laminates for core clamping structures, end-frame insulation, and lead support assemblies.
Electric Vehicle Revolution
Global EV production is forecast to surpass 40 million units annually by 2030. Each vehicle's traction motor, OBC (on-board charger), and DC-DC converter requires precision-cut Upgm308 insulation barriers. The commercial EV truck, e-bus, and two-wheeler segments represent rapidly expanding secondary markets for this product category.
Industrial Automation & Industry 4.0
Smart factories deploying robotics, servo drives, and high-density power electronics require compact, high-temperature insulation components. Upgm308's machinability allows rapid prototyping and production of customized insulation parts for next-generation servo motor and variable frequency drive (VFD) applications.
Stricter IEC & UL Safety Standards
Evolving international standards including IEC 60893, IEC 62631, and UL 94 V-0 flammability requirements are compelling equipment manufacturers to upgrade their insulation specifications. Upgm308 proactively meets and exceeds these standards, reducing OEM compliance risk and simplifying global market access.
Localization of Critical Supply Chains
Post-pandemic supply chain resilience strategies are driving OEMs in Europe and North America to qualify multiple regional suppliers for strategic insulation materials. EMT's global manufacturing network and ISO-certified quality management system make it an ideal supply chain partner for Upgm308 and complementary material categories.
Vision & Mission
To Become a World-renowned Innovative New Material Product and Service Supplier.
🌏To Provide Safe and Environment-friendly New Material Solution for the Society, Create a Better New Life.
🌱Company Milestone Timeline
Over five decades of continuous innovation, strategic expansion, and commitment to excellence in advanced insulation and new material technologies.
2024
Meishan base established. Chengdu second headquarters officially completed.
2023
Shandong Aimonte was awarded the title of "Little Giant with Specialization, Specialization and Innovation" in Shandong Province. Aimonte Aviation was awarded the National Second-Class Confidentiality Qualification. Henan Huajia was awarded the title of "Gazelle" Enterprise in Henan Province.
2022
Established Chengdu Glenson Health Technology Co., Ltd., and Sichuan EM Technology (Chengdu) International Trading Co., LTD.
2021
Established Sichuan EM Functional Film Materials & Technology Co. Ltd., and Sichuan EMT New Material Co., Ltd.
2020
Wholly-owned acquired Shandong Shengtong Optical Materials Technology Co., Ltd., and established Shandong EMT New Material Co., Ltd.
2018
Established EMT Chengdu New Material Co., Ltd., and Chengdu Drug and Cancer Pharmaceutical Technology Co., Ltd.
2015
Acquired 51% of total equity of Taihu Jinzhang Science & Technology Co., Ltd.
2014
Acquired 62.5% of total equity of Henan Huajia New Material Technology Co., Ltd.
2012
Established Jiangsu EMT New Material Co., Ltd.
2011
Listed on the Shanghai A-share market, the first electrical insulation materials industry listed company in China.
2007
Renamed Sichuan EM Technology Co., Ltd.
2005
Wholly-owned acquisition by Guangzhou Gaoking Group.
1994
Restructured into Sichuan Dongfang Insulation Materials Co., Ltd., and established Sichuan EM Enterprise Group Company.
1966
EMT's predecessor, state-owned Dongfang Insulation Material Factory relocated from Harbin to Sichuan.
Manufacturing Sites & Group Structure
Production Network Across China
Our multi-site manufacturing network ensures supply reliability and regional proximity to key OEM customers. Each facility is independently quality-certified and specializes in complementary product categories within our insulation and new materials portfolio.
- ● Mianyang Site (Headquarters)
- ● Chengdu Site
- ● Sichuan EMT New Material Site
- ● Central China Site (Henan)
- ● Eastern China Site (Jiangsu)
- ● Shandong Dongrun New Material
- ● Shandong EMT New Material
- ● SNTON Optical Material (Shandong)
- ● Meishan New Base (2024)
Group Corporate Structure
- ● Sichuan Dongfang Insulation Material Co., Ltd.
- ● Sichuan EMT New Material Co., Ltd.
- ● Jiangsu EMT New Material Co., Ltd.
- ● Shandong Shengtong Optical Materials Technology Co., Ltd.
- ● EMT Chengdu New Materials Technology Co., Ltd.
- ● Chengdu D&C Pharma. Technology Co., Ltd.
- ● Sichuan EMT Aviation Equipment Co., Ltd.
- ● Henan Huajia New Material Technology Co., Ltd.
- ● Shandong EMT New Material Co., Ltd.
- ● Shandong Dongrun New Material Co., Ltd.
- ● Sichuan EM Functional Film Materials & Technology Co., Ltd.
- ● Sichuan EM Technology (Chengdu) International Trading Co., Ltd.
More Solutions for Power & Industrial Environments
Explore our comprehensive portfolio of advanced materials engineered for optical, display, casting, and specialty resin applications — each complementing the Upgm308 power insulation ecosystem.
Ready to Specify Upgm308 for Your Power Application?
Our materials engineering team provides technical consultation, custom fabrication support, and global logistics for OEM partners across the energy, transportation, and industrial automation sectors.
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