About Us

Weineng —— Leading the Future of Oil Purification

Chongqing Weineng Oil Purification Solution Co., Ltd

Chongqing Weineng Purification Solutions Co., Ltd. is a leading manufacturer and solution provider specializing in advanced oil purification systems. Since our founding in 2011 in Chongqing, China, we have dedicated ourselves to the research, development, production, and global distribution of high-performance oil purification equipment.

For over a decade, we have served a diverse range of industries worldwide—including mining, metallurgy, chemical, power generation, aviation, shipping, and railways.

Our Guiding Philosophy

"Quality ensures survival, reputation drives development" is our core philosophy. We continuously improve our technology and services to not only meet customer expectations, but also strive to exceed them.

Our Competitive Advantages

What sets us apart is our end-to-end service approach. In addition to supplying reliable equipment, we provide global on-site commissioning, operational training, and continuous technical support. This commitment to customer success has established us as a trusted partner in over 100 countries and earned us a reputation for reliability and innovation.

Competitive factory pricing

No middleman markups, providing cost-effective equipment

Strict quality control

Each device undergoes rigorous testing and meets international standards

Excellent performance and advanced technology

Efficiently removes moisture, gas, and particulates, extending device life

Customizable solutions

Various configuration options available to suit different application scenarios

Fast delivery and flexible production

Extensive inventory of standard parts to accommodate urgent orders

Global after-sales support

Remote technical support, genuine spare parts, on-site service, and more

See Us in Action

We welcome customers and partners from all over the world to visit us and learn how Vaillant can help your operations and create a sustainable industrial future together.