English 100.0% When it comes to the best oil purification machine for wholesale buyers, just ask WANRONG. WANRONG is a reliable oil purification equipment provider offering high quality oil purifier at competitive price, making our products very popular in Russia, Iran and other countries. Waderong is always there to meet your needs: for increased process efficiency or oil purification services that you can rely on. Find the perfect oilrefining equipment for all your needs with WANRONG.</p>



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.
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.
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.
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.