Factory mindset
We focus on practical equipment, stable operation and clear technical communication for real projects.
About Us
Xi'an Qianjing Environmental Protection Co., Ltd
QJ Water Treatment is a water treatment equipment manufacturer, OEM & ODM factory and industrial water treatment solution provider serving global B2B buyers.
Company profile
Located in Xi'an, Shaanxi, China, QJ Water Treatment supplies water purification equipment and consumables for industrial, commercial and municipal-related water projects.
Our product range includes reverse osmosis systems, ultrafiltration systems, nanofiltration systems, water softeners, water filter systems, chemical dosing systems, UV sterilizers, ozone generators, sodium hypochlorite generators, membranes, PP cartridges and resin. We help customers select suitable configurations based on feed water, capacity, target quality, automation level and site requirements.
Factory cooperation
How QJ supports professional water treatment buyers
B2B cooperation
We support distributors, EPC contractors, OEM brands and industrial end users with project-based selection.
System thinking
Pretreatment, membranes, dosing, disinfection and consumables are considered as one complete process.
Export readiness
Documentation, packing, labels, spare parts and communication are prepared for international procurement workflows.
Qualifications
Company qualification and project documentation
For international procurement, we prepare company materials, technical parameters, inspection records and export documents according to project communication needs.
ISO 9001
Quality management system certification.
ISO 14001
Environmental management system certification.
CE
European conformity marking.
EAC
Eurasian conformity marking.
High-Tech Enterprise
Recognized as a high-tech enterprise in China.
Case experience
Water treatment project experience
Our project experience covers industrial purification, commercial drinking water, boiler feed pretreatment, wastewater reuse, desalination and containerized water treatment equipment.
Boiler feed water
Boiler Demineralized Water System
UF, RO and EDI deliver stable high-purity water for municipal heating boilers.
Chemical wastewater reuse
Chemical Plant ZLD Water Reuse System
A high-recovery treatment train converts saline wastewater into reusable process water.
Remote drinking water supply
Plateau Border Station Drinking Water System
A turnkey drinking-water system engineered for high altitude, extreme cold and unstable power.
Project workflow
From inquiry to production planning
01
Send water report and project requirements
02
Technical selection and process recommendation
03
Quotation, layout drawing and configuration list
04
Production, assembly and factory testing
05
Export packing, shipping and installation guidance