About Us
A Trusted Solar Water Heating Manufacturer Since 2008
SunTherm builds solar water heating that turns sunshine into hot water reliably.
From our 40,000 m² manufacturing base in Haining, Jiaxing, China, SunTherm runs in-house production and quality control across the full process. Vertical integration and a testing lab let us guarantee consistent quality and lead times for buyers, distributors and brands in 50+ countries.
- 40,000 m² integrated factory
- In-house production & QC
- CE, Solar Keymark certified
- Full performance testing lab
- OEM / ODM & retail packaging
Our Journey
Founded in Haining, focused on solar water heaters.
Expanded production and added new solar water heaters lines.
Built an in-house testing laboratory.
Grew export sales across new markets.
Surpassed 600k+ units produced per year.
Our Mission
To supply the world with dependable, well-made solar water heaters under trusted partnerships.
Our Vision
To be a trusted global manufacturing partner in solar water heating.
Our Values
Quality, reliability and long-term partnership guide everything we make.