Clean Water Solutions for a Better Future
Professional manufacturer of water treatment systems, automatic water vending machines and purification equipment — factory direct, customizable, export-ready.
Core Products
Our two flagship product families for global water projects.
Water Treatment Systems
Large-scale RO & EDI water purification plants for pure water, mineral water and industrial use. Capacities from 500 L/H to 50 T/H, fully customizable.
Automatic Water Vending Machines
Coin and card operated self-service pure water stations for communities, campuses, factories and villages. Low operating cost, high daily throughput.
More Products
Complementary equipment, filters and consumables for complete water solutions.
Industrial Water Plants
Skid-mounted and containerized plants for industry, beverage and bottling lines.
Commercial Purifiers
Stainless steel units for restaurants, offices and schools.
Home Purifiers
Compact under-sink and countertop RO purifiers.
Cartridges & Consumables
RO membranes, PP, carbon filters and spare parts supply.
Product Videos
Purification Process
Pretreatment
Quartz sand, activated carbon and PP filters remove suspended solids and chlorine.
RO Membrane
High-rejection RO membranes remove over 99% of dissolved salts, bacteria and heavy metals.
Sterilization
UV sterilization and fine polishing guarantee safe, fresh-tasting water.
Delivery
Clean water to vending machines, filling lines or point-of-use taps.
Client Visits
We welcome customers from around the world to visit our factory in Shandong, China.
Factory & Quality Control
Modern production lines with full inspection before shipment. Every system is factory-tested for pressure, leakage and water quality. We follow strict quality procedures from raw material to final packing.
Working Process
Inquiry
Send us your requirements and water source details.
Quotation
Get a tailored technical proposal and price within 24h.
Production
Production with photos and progress updates.
QC & Test
Full factory test before packing.
Shipping
Sea / air / express shipment with export docs.
After-sales
Installation guidance and lifetime support.
Why Choose 7DJJ
Factory Direct
Best price from the manufacturer, no middleman.
Customizable
Capacity, material, voltage and design per your needs.
Quality Guaranteed
100% factory-tested, CE & ISO compliant options.
Export Experience
Shipped to 30+ countries across Asia, Africa, Europe & Americas.
Technical Support
Free drawings, manuals and remote guidance.
Fast Delivery
Timely production schedule and on-time shipping.
Get a Free Quote
Tell us your project, water source and capacity — we reply within 24 hours.