Why Choose Us

 One-Stop Full Industry Chain Integration
 Engineer-Led Service
 High Quality with Global Cost Advantage
 Efficient Delivery System
 Customized Professional Service

About Sline

Sline is more than an electrical equipment manufacturer—we are your trusted power system integration expert. With a deep focus on the electrical industry, we offer a comprehensive range of products including transformers, instrument transformers, high and low voltage switchgear, substations, and electrical accessories, forming a complete solution across the entire power chain.
 Mission
Making power simple.
Vision
To be the world’s trusted power connection partner.
Values
Expertise: Deep in power. Strong in expertise.
Reliability: Our word is our commitment.
Mutual Success: Together we grow. Together we succeed.
FEATURED PRODUCTS
APPLICATION INDUSTRIES​​​​​​​

Power Generation & Energy

Providing end-to-end electrical solutions from generation to grid connection for thermal, hydro, nuclear, and new energy (solar, wind) power plants. Products include step-up transformers, generator outlet circuit breakers, HV switchgear, PV compact substations, wind turbine tower transformers, and smart monitoring systems, ensuring efficient step-up and safe grid integration.

Industrial & Manufacturing

Providing reliable power distribution and control systems for manufacturing industries including metallurgy, chemical, automotive, electronics, food, and pharmaceuticals. Products include HV/LV switchgear, distribution transformers, motor control centers, VFD cabinets, power factor correction equipment, and explosion-proof electrical devices, ensuring continuous production line operation with precise control and energy optimization.

Commercial & Residential Buildings

​Providing safe, energy-efficient, and low-noise power distribution solutions for office buildings, shopping malls, hotels, hospitals, schools, and high-end residences. Products include dry-type transformers, LV distribution cabinets, dual power transfer cabinets, metering cabinets, medical isolation transformers, and intelligent lighting control systems, ensuring power reliability while enabling energy management and space optimization.

Infrastructure Development

Providing highly reliable electrical solutions for airports, subways, high-speed railways, ports, bridges, tunnels, and wastewater treatment plants. Products include compact substations, GIS switchgear, traction rectifier transformers, DC switchgear, shore power supply systems, and smart monitoring systems, designed for harsh outdoor environments to ensure uninterrupted operation of critical facilities.

Data Center & Telecommunications

Providing high-reliability and uninterruptible power supply solutions for data centers, cloud computing centers, and 5G communication base stations. Products include dry-type transformers, precision distribution cabinets, dual power transfer cabinets, uninterruptible power supply systems, DC power systems, and intelligent power monitoring systems, ensuring continuous and stable operation of servers and communication equipment.

Mining & Quarrying

Providing explosion-proof, durable, and high-protection-level electrical equipment for coal mines, metal mines, and quarries. Products include mining flameproof transformers, explosion-proof HV/LV switchgear, explosion-proof distribution boxes, motor control centers, and mobile substations, adapted to underground wet, dusty, and flammable environments, ensuring safe and continuous mining operations.

Customization Services

At Sline, we believe that every kilowatt-hour deserves precision, and every project deserves a dedicated electrical solution. As a power system integration expert, we go beyond standardized high-quality products—we deliver tailor-made services for our global clients.

Latest News

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Natural Ester Insulating Oil: A Green Solution for Transformer Environmental Upgrades

Against the backdrop of green transformation in the power industry, natural ester insulating oil is gradually replacing traditional mineral oil as an important direction for transformer environmental upgrades. Derived from vegetable oils, natural ester insulating oil offers high fire point, biodegra

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Intelligent Switchgear: From Passive Protection to Predictive Maintenance

With the rapid development of industrial IoT and digital technologies, low-voltage switchgear is undergoing a profound transformation from traditional power distribution equipment to intelligent terminals. The new generation of intelligent switchgear integrates sensors, communication modules, and da

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What Is a Pad-Mounted Substation?

An Ideal Choice for Ground-Level Power Distribution Equipment

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Sline is not only an electrical equipment manufacturer, but also a reliable power system integration expert that you can trust. You are welcome to contact us at any time.
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Contact Us

 Telephone: +86-188-6859-6793 / +86-178-1567-2199
 WhatsApp: +8618868596793 / +8617815672199
 Email: amber@slineelecric.com / celeste@slineelectric.com
 Address: Building 10, Robot Industry Park, Dongtou District, Wenzhou City, Zhejiang Province
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