Committed to creating a more comfortable
and healthier living environment for millions of families.

Company Overview

Company History

Manufacturing Capabilities

Laboratories

Honors & Certifications

Deye has always focused on
the R&D and manufacturing of
equipment designed to improve indoor air quality.

Zhejiang Deye Environment Appliance Co., Ltd. (hereinafter referred to as "Deye") is a wholly-owned subsidiary of Ningbo Deye Technology Co., Ltd. Founded in 2003, Deye is a leading specialist in the air treatment sector, integrating R&D, design, manufacturing, and sales to provide comprehensive temperature and humidity control solutions. For nine consecutive years, Deye has consistently ranked No. 1 in dehumidifier sales on major e-commerce platforms such as Tmall and JD.com. Renowned for its technological innovation and exceptional product quality, the company has earned widespread market acclaim and prestigious international honors, including the Red Dot Award, Nanshan Award, and Red Star Design Award.

Total Area (sq ft)

Number of Employees

A-Share Listing (Year)

R&D Bases

Manufacturing Bases

Annual Output Value (100 Million RMB)

Over two decades of accumulation to create a more comfortable and healthy living environment.

1990

Precision mold manufacturing laid the industrial foundation.

2003

Deye Electrical Appliance Co., Ltd. was established, deepening its presence in the environmental appliance industry.

2007

The company embarked on the R&D of core variable-frequency electronic technologies, laying the groundwork for environmental appliances, as well as PV & energy storage industries.

2017-2020

The company strategically deployed in the PV inverter and energy storage industries.

2021

Deye was successfully listed on the Main Board of the Shanghai Stock Exchange.

2022-2023

Deye launched Cixi Intelligent Manufacturing Base and Shanghai Tech Innovation Center.

2024

The company's group revenue surpassed 10 billion RMB, reaching new heights.

2025

The company completed the 250,000m² Intelligent Home Appliance Industrial Park in Haiyan, Jiaxing, ushering in a new era of AI climate control.

Manufacturing Capabilities

7 automated final assembly lines

250,000 m2 Intelligent Home Appliance Industrial Park; annual capacity exceeding 3 million units/set

East China leading e-control intelligent manufacturing hub

21 SMT lines; fully digitalized process, stepping into the era of AI-powered factory

Dual-Mode precision sheet metal manufacturing center

0.2 tolerance laser cutting; annual defect rate below 2500 ppm

5G digitalized precision injection molding production center

Full line of Haitian precision injection molding machines; molding accuracy of ±0.05mm

Micron-level precision mold R&D center

500,000-cycle robust lifespan; in-house pass rate of 98.5%

One of the world's largest heat exchanger production bases

Annual capacity of 10 million sets; 300 strokes/min ultra-high-speed punch press (industry-leading)

CNAS Accredited Laboratory

Adhering to the principles of high standard and high precision, Deye has built a national-level testing center that is both domestically and internationally leading.

million RMB

Total investment in test center

sq ft

Total floor area

Number of testing labs

Number of test & certification items

5HP-20HP enthalpy difference labs (6 sets)

Test range: 3kW–12kW

Cost per lab: up to 1.6 million RMB

Multi-function climate simulation chambers (12 sets)

Temperature range: -40°C to 85°C; humidity: up to 85%RH

Simulating icing and snowfall

Ultra-low temperature semi-anechoic labs (3 sets)

Test temperature: down to -25°C

Minimum background noise: 10dB, industry-leading

Industry's First 10-Million-Level Laboratory

It is equipped with world-class semi-anechoic chambers (5-meter and 3-meter methods), electromagnetic shielding rooms, and EMC immunity laboratories. The lab utilizes certified testing equipment from globally leading brands such as R&S and SCHWARZBECK.

Accredited by CNAS, the lab possesses EMC testing capabilities for emissions and immunity, covering products including PV grid-tie inverters, room air conditioners, dehumidifiers, and general electrical appliances.