Chongqing Sanwen Electric Co., Ltd., founded in 1995, is a modern enterprise specializing in the R & D, manufacturing and sales of commercial / household volumetric water heaters. It is the first national enterprise to participate in the formulation of the national standard of the people's Republic of China for gas volumetric water heaters (gb18111-2000)

The core product of the enterprise, gas positive displacement water heater, has obtained the "AGA" certification of Australia, the highest international standard in the industry, and is exported to Australia, New Zealand, India, Thailand, the Philippines, Malaysia, Colombia and other countries and regions, With the continuous upgrading of products, "three warm electric" has become a professional partner in the field of energy-saving hot water for the world's top 500 enterprises and international famous hot water and gas appliance manufacturers.

  • 1995

    26 years of research and development

  • 50+

    More than 50 patents

  • 100+

    More than 100 cities

Sanwen brand is a famous trademark of Chongqing. The company has been approved by the state for nine consecutive years. Chongqing Science and Technology Commission has recognized it as a high-tech enterprise and a "double high" enterprise of high-tech products. It has more than 50 national patents and a number of PCT applications. Today, when the world calls for green, environmental protection, energy conservation and low nitrogen, the "three warmers" in line with the business philosophy of "concentric win-win, pragmatic innovation", continue to introduce high-quality, cost-effective and high value-added environmental protection hot water equipment to the market, standardize customized production, realize differentiated competition, and strive to upgrade "made in China" to "created in China".

We pay attention to scientific and technological trends, master the cutting-edge technology of the industry, innovate and optimize, innovate high-quality hot water projects, and develop a new generation of condensing gas volumetric water heater series products with independent intellectual property rights. Its thermal efficiency is more than 95%, 20 percentage points higher than the national standard, which is concerned and favored by the overseas market. "Three warmth" has gone abroad with scientific and technological innovation. It will also benefit customers, grow employees and realize enterprise development with scientific and technological innovation.