Dongguan Hai Mi Electronic Technology Ltd.

Central Air Conditioning & HVAC System

Our customized micro circulation pumps are widely equipped in household duct air conditioners, modular central air units, heat pump air conditioners and commercial building HVAC auxiliary water circulation systems, focusing on condensate drainage, cold/hot water auxiliary boosting and internal equipment small-loop cooling.

Industrial & CNC Machine Tool Equipment

Dongguan Haimi is a professional miniature DC pump manufacturer with more than 10 years of R&D and batch production experience, specializing in customized cooling circulation pumps for CNC machine tools, laser processing equipment, industrial small chillers and automated industrial supporting equipment, supplying stable fluid circulation solutions for machinery manufacturers worldwide.

Environmental Monitoring & Testing Instruments

Our pumps are widely used in ambient gas sampling equipment, online water quality detectors, waste water analysis devices, atmospheric monitoring sensors and portable environmental inspection instruments.

Solar Water Heating System Application

With more than 10 years of R&D and production experience in miniature DC water pumps, Dongguan Haimi is a professional manufacturer specializing in customized circulating pump solutions for residential and commercial solar water heating system, which has become a core supporting component for household rooftop solar hot water projects and centralized solar heating engineering worldwide.

Garden Water Features

Our core pump products cover landscape fountain, courtyard rockery waterfall, desktop craft waterscape, small fish pond circulating water system and indoor decorative ornament water cycle, widely adopted by landscape engineering companies, handicraft factories and home decoration brands worldwide.

Home Appliances

When people talk about pumps in home appliances, most of the time they don’t even notice them. And honestly, that’s the best result. A good pump just sits there, moves water when it’s needed, stays quiet, and doesn’t ask for attention. That’s exactly how our DC water pumps are used in many household appliances today.

Medical Equipment

When it comes to medical equipment, people usually don’t talk about pumps first, but inside many devices, the pump is doing the heavy lifting quietly. In this field, there’s no room for unstable flow or sudden stops. A Medical water pump needs to run smoothly from start to finish, because even small changes can affect how the device performs.

Vehicle Water Circulation Cooling And Heating

In vehicles, water circulation is one of those things you don’t really notice until it goes wrong. Whether it’s cooling the system or helping with heating, the pump is always there in the background, moving liquid from one place to another. If that flow isn’t steady, the whole system starts to feel off. That’s why many automotive projects now rely on a Car Electric Water Pump instead of older mechanical solutions.

Irrigation And Drainage

When people work on irrigation or drainage systems, they usually care about one thing first: will the water move when I need it to move? In farms, greenhouses, or small outdoor setups, timing matters. Too much water or too little water both cause trouble. A DC pump in this field is really just there to keep things simple and under control.