Pioneering High-Efficiency HVAC & Energy Solutions

With over 20 years of expertise, we deliver innovative, green, and energy-saving solutions for commercial, industrial, and national key projects.

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Employees
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Est. 1999
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Projects
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Technicians

Driving Excellence
Across Industries

WYSS is the operating brand of Shanghai Liangling Mechanical & Electrical Equipment Co., Ltd. Established in 1999, Shanghai Liangling M&E Equipment Co., Ltd. has registered capital of 30 million yuan and over 120 employees, including 40 professional technicians. Whether it is commercial or industrial demand, public or civil constructions, we are proud to offer all kinds of HVAC equipment and installation works. We also provide automatic control for air conditioning systems, combining technology with premium products to deliver excellence across all markets we serve.

HVAC engineering services - Regional energy centers and CCHP systems for commercial buildings

Engineering Excellence Through Advanced Solutions

We deliver specialized engineering solutions for the most demanding energy and environmental challenges. Our core competencies encompass the design and implementation of large-scale Regional Energy Centers for optimized CCHP efficiency, the deployment of Ice Thermal Storage systems for strategic peak load management, and the construction of mission-critical Chill Supply Chain facilities.

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Premium HVAC products from BAC, YORK, and Grundfos - Cooling towers and chillers

Premium Products from Global Leaders

Our product portfolio represents a curated selection of best-in-class M&E components from global technology leaders. We provide the core equipment for high-performance heat rejection, thermal energy storage, industrial refrigeration, and fluid conveyance systems. By partnering with pioneers like Baltimore Aircoil Company (BAC), YORK, and Grundfos, we ensure every component delivers superior performance.

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HVAC facility management and maintenance services - 24/7 technical support and preventative maintenance

Comprehensive Maintenance & Operational Excellence

We provide comprehensive facility management and technical support designed to maximize system efficiency and extend asset lifecycle. Our services range from proactive, data-driven preventative maintenance programs to 24/7 emergency response supported by a nationwide network and an extensive inventory of OEM spare parts.

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Our Project Portfolio

Discover our extensive range of successful projects across various sectors, showcasing our commitment to engineering excellence and innovation.

High-rise building HVAC project - Premium commercial tower cooling system

High-Rise Building

Premium commercial tower

High-rise building HVAC installation - Iconic skyline architecture climate control

High-Rise Building

Iconic skyline architecture

High-Rise Building Project

High-Rise Building

Modern business center

High-Rise Building Project

High-Rise Building

Luxury residential tower

High-Rise Building Project

High-Rise Building

Corporate headquarters

High-Rise Building Project

High-Rise Building

Mixed-use development

High-Rise Building Project

High-Rise Building

Financial district tower

High-Rise Building Project

High-Rise Building

Contemporary office complex

High-Rise Building Project

High-Rise Building

Urban landmark project

Data center HVAC cooling system - IDC precision climate control facility

IDC

Data center facility

IDC Project

IDC

Cloud computing center

IDC Project

IDC

Enterprise data hub

IDC Project

IDC

Tier III data center

IDC Project

IDC

Colocation facility

IDC Project

IDC

High-performance computing

IDC Project

IDC

Network operations center

IDC Project

IDC

Server infrastructure

IDC Project

IDC

Mission-critical operations

Industrial manufacturing HVAC system - Production facility climate control

Industrial Manufacturing

Production facility

Industrial Manufacturing Project

Industrial Manufacturing

Assembly plant

Industrial Manufacturing Project

Industrial Manufacturing

Processing center

Industrial Manufacturing Project

Industrial Manufacturing

Warehouse complex

Industrial Manufacturing Project

Industrial Manufacturing

Logistics hub

Industrial Manufacturing Project

Industrial Manufacturing

Manufacturing plant

Industrial Manufacturing Project

Industrial Manufacturing

Distribution center

Industrial Manufacturing Project

Industrial Manufacturing

Industrial facility

Industrial Manufacturing Project

Industrial Manufacturing

Production complex

National priorities HVAC project - Government infrastructure cooling system

National Priorities

Government infrastructure

National Priorities Project

National Priorities

Public service facility

National Priorities Project

National Priorities

Strategic development

National Priorities Project

National Priorities

Critical infrastructure

National Priorities Project

National Priorities

Municipal project

National Priorities Project

National Priorities

Public works

National Priorities Project

National Priorities

State initiative

National Priorities Project

National Priorities

Key development project

National Priorities Project

National Priorities

National importance

Our Portfolio of Projects

The Enduring Benefits of Our HVAC Solutions

Our comprehensive approach delivers unmatched value across engineering, products, and maintenance services, ensuring long-term performance and reliability.

Engineering Solutions

Our advanced engineering delivers optimized energy centers and thermal storage systems that provide superior efficiency and reliability. From design to implementation, we ensure reduced operational costs, enhanced system performance, and sustainable infrastructure that meets the most demanding requirements of modern facilities.

Premium Products

Partnering with global leaders like BAC, YORK, and Grundfos ensures every component delivers exceptional thermodynamic efficiency and longevity. Our curated portfolio provides best-in-class heat rejection, thermal storage, and refrigeration equipment that forms the foundation of robust facility infrastructure with proven reliability and seamless integration.

Maintenance Services

Our comprehensive facility management maximizes system efficiency and extends asset lifecycle through proactive maintenance and 24/7 emergency response. With a nationwide network and extensive OEM spare parts inventory, we deliver operational trusteeship that mitigates risk, ensures continuous performance, and protects your critical infrastructure investments.