Dongguan Siwei Mini Pump Co., Ltd is a leading manufacturer of miniature pumps. The company was founded in 2006, with the primary business on electric sprayer in agriculture in early period.

After the effort for years, our Keyu brand electric sprayer became the market leader in medium and small cities in south China.

As the increasing demand for food grade pump on tea table popular in South China, the company turned its business to provider high quality pumps in food and drink area in 2008. The pumps followed the Keyu brand. Not only provider pumps, but we also offer the solution of electrical system. Our product covers all Guangdong province.

In 2010, " Fouronly " brand was registered. Different from Keyu following the national standard, Fouronly pumps follows the international standard such as FDA, CE and RoHS, UL. The product are widely supplied to North America, East and South Asia, EU, Russia and so on.

Our factory located in Dongguan City, owns a workshop of 3000 square meters with 12 production lines, a test and research center with all sets of equipments, and an office area. With business development for years, our products have covered diaphragm pumps, gear pumps, air and vacuum pumps, RV pumps, RO pumps, DP pumps, car washer pumps, plunger pumps and fittings. Our customers including Midea group, Qinyuan group, Gree group, Unilever, Airsystem, Aquaworld and so on.