At WANRONG, we're devoted to turning waste engine oil into great diesel fuel with advanced technology. Our technology is efficient, environmentally friendly and a sustainable solution to waste oil management. Quality diesel fuel can be extracted from waste engine oil using our proprietary process, it means a better use of natural resources and will promote competitive process in the market.
Waste oil disposal Instead of disposing waste oil in the traditional way -which may be harmful to the environment- it is expensive. But at WANRONG we have the perfect solution to this problem – turning waste engine oil back into diesel fuel efficiently and environmentally. For our part, we are helping reduce waste and pollution and providing a sustainable means to manage oil waste through our modern technology. Not only is our process environmentally friendly, but it offers a cost-effective process for industries wishing to recycle their waste oil.

We are able to manufacture high quality diesel fuel from waste engine oil at our technological plant. Not only does our practice ensure the quality of diesel fuel we produce is high, but it means that other industries can utilize its full potential as a resource. Drawing upon our hydrocarbon processing skills, we transform waste engine oils into a valuable resource capable of being utilised where re-refined lubricants are not suitable in an efficient and cost effective manner. Quality and sustainability are what set us apart from our competitors, always focusing on improving our processes – which makes us an authority in the market.

We turn waste oil to diesel. Our approach is underpinned by cutting edge technology and treatment techniques that enable us to reverse the waste engine oil into premium diesel fuel. Using sophisticated methods and state-of-the-art machinery, we have the capabilities to generate diesel that is not only industry standard but above expectations. It is our commitment to advance technologies that separates us—and enables us to offer you unsurpassed solutions for waste oil recycling.

Our dedication toward sustainability inspires us to provide an affordable method of disposing waste engine oil. "And by offering a solution that is both green and cost-effective, we can help industries to lower their carbon footprint and waste." The not only is our process better for the environment, but it also saves companies money on waste transportation and land-filling. When customers select WANRONG for waste oil recycling, they are opting for a cleaner world and less operating costs.
We offer advanced, integrated technologies across the hydrocarbon value chain—from waste oil regeneration, crude oil hydrogenation, and high-purity gas separation to API-certified base oil production—enabling clients to achieve both profitability and environmental compliance.
Adhering to stringent international standards (ASME, PED, ISO, API) and implementing a full-cycle QC system with 217+ checkpoints, we ensure every piece of equipment meets exacting specifications for performance, safety, and durability in global markets.
Our close cooperation with top research institutes like Sinopec Shanghai and Nanjing Chemical Research Institute ensures continuous technological advancement, validated through rigorous simulation using Aspen and Plant 3D, keeping us at the forefront of hydrocarbon processing and environmental solutions.
We provide customized, turnkey EPC/EPCC solutions—from design and simulation to fabrication, testing, and commissioning—supported by a worldwide service network to ensure efficient, reliable project execution for clients across Asia, Africa, the Middle East, and beyond.