Water Purifiers: What Buyers Should Know
A water purifier is a water-treatment appliance available as RO, UF, and countertop/gravity models that remove contaminants from tap water. Buyers source from China water purifier manufacturers for RO membranes, multi-stage filters (PP, carbon, membrane), and 50-400 GPD flow rates.
The key specifications are filtration stages, membrane type, flow rate, and filter life. Certification such as CE, RoHS, and NSF/WRAS-style approvals matters for market entry. The curated suppliers below are screened against these criteria.
Curated Suppliers — Water Purifiers
7 Checks Before Choosing a Water Purifiers Supplier
1. Filtration
RO removes dissolved solids and heavy metals; UF removes bacteria; gravity suits low-pressure areas.
2. Stages
5-7 stage systems combine PP, activated carbon, and membrane for balanced purification.
3. Flow rate
50-100 GPD suits homes; 200-400 GPD suits offices and faster dispensing.
4. Filter life
Confirm rated filter lifespan and replacement cartridge availability.
5. Tank
Tankless models save space; tank models buffer flow for stable dispensing.
6. Material safety
Food-grade plastics and lead-free fittings are essential for export.
7. Certification
Confirm CE, RoHS, and NSF/WRAS or local water-safety approvals before ordering.
Frequently Asked Questions
What is the MOQ for water purifiers from China?
Standard RO and UF models typically start at 200-500 units per model. See each supplier's profile for exact MOQ.
What is the difference between RO and UF purifiers?
RO uses a membrane to remove dissolved salts and heavy metals, while UF removes bacteria and sediment but keeps minerals.
Can Chinese factories make OEM water purifiers?
Yes, most export manufacturers offer OEM branding, filter configurations, and ODM design for volume orders.
What certifications should an export water purifier have?
CE and RoHS are baseline, plus NSF, WRAS, or local water-safety marks depending on the destination market.