At WANRONG we are committed to offering top quality re-refined motor oil that meets the highest levels of excellence. Our earth-friendly alternative is ideal for wholesale buyers who want to decrease their carbon footprint without compromising performance. Proven for light, medium and heavy duty applications worldwide,-WANRONG withstanding even the most demanding operating conditions, from the personal use of a small truck to commercial fleets. Our green alternative to a cleaner future means you can drive with confidence when knowing you are making a difference towards sustaining earth.
At WANRONG, we took pride in providing a high quality re-refined motor oil unmatched by any of our competition. Our state of the art technology and strict quality control ensure that every bottle of our motor oil is consistent and meets and exceeds the highest standards. Recycling used motor oil, we are able to produce a product that’s as good or better than new. With WANRONG you are not only guaranteed the quality of the best motor oil on the market, but were also assured that we get to drive a little further down this road toward sustainability.

Wholesale buyers, who are in search for an environmentally friendly solution while being sensitive to the nature around you WASNRONG is one of situations where it is hard to beat. When you select our re-refined motor oil, you are lessening the need for new crude oil drilling and incurring great benefits to the environment and conservation of natural resources. Our dedication to sustainability Our values not only provide the best solutions for our customers, but for the environment as well — making WANRONG a company that cares not only how your products function, but how they are produced and designed.

As WANRONG, we realize that businesses are looking for economical solutions which should also match quality. That is why we have priced our re-refined motor oil competitively, so that businesses can keep more money in their pockets without cutting corners, when replacing the oil in their fleet of vehicles. If you select WANRONG as the motor oil supplier, you not only get the best value for your money but also help to create a greener, more sustainable future for our earth.

Whether you have a compact car, big rig or anything in between, WANRONG's re-refined motor oil is formulated to maximize performance in all your automobiles. Our engine oil is subjected to extensive testing to ensure that it's good enough for all the vehicles on and off the road, including those with diesel engines. With WANRONG, you can know with confidence that your automotive needs will be met — no matter where the road may lead.
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.
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.