Doctor Rollers

Since its establishment in 2004, Zhejiang Yonghui Corrugated Roller Co., Ltd. has always focused on the R&D and manufacturing of high-quality corrugated rollers, the "heart" component of the corrugated cardboard production line.
With a scientific attitude and professional research and development team, we continuously break through the boundaries of corrugated declare to meet the needs of high-speed, wide-width, and lightweight paper in corrugated cardboard production lines.
With 20 years of profound industry experience, we continue to provide customers with high-quality products, Combined with a huge strategy database, each pair of corrupting rollers is no longer a cold metal, but an "engine" that continuously creates value for customers.
With the spirit of craftsmanship, we meticulously grind over 40 production processes. ensure the high precision of the roller body, with a surface the roughness of Ra 0.4-0.6, to meet the continuous operation of the corrugated line at a speed exceeding 300 meters. Ado being American Praxair super hard alloy tungsten carbide powder, combined with advanced supersonic spraying equipment in the world, the hardness and high wear resistance of the corrugated roller surface are second only to diamond, providing customers an ultra service life of over 40 million meters.
The meticulous calibration and quality controls of each process are a solemn commitment to customers and do not disappoint their expectations More than 20 sales and after-sales teams promote services covering the whole country Together with customers, we explore the latest design process es for corrugated rollers that meet their needs, and provide process on technical support to continuously create greater value for customers.
Nowadays, over 3000 pairs of corrugated rollers are running on over 1000 corrugated cardboard production lines in real-time faced with high-speed production lines and increasingly lightweight cardboard, we will always be committed to improving the manufacturing process of corrugated rollers, exploring the unknown with technology, and driving the future with data. Today, Yonghui will work with customers to cross the 2. diameter width technical gap, surpass the technical peak of 400-meter high-speed operation, and jointly witness the extraordinary performance of the industry.