HOYI specializes in designing and producing large diameter bearings, slew drives and slewing rings for a wide range of applications, such as steel making, mining, oil drilling, ship-building, paper&pulp, material handling, chemical, solar power…As an ISO certificate company, HOYI control qualty strictly to assure products perform exactly as specified. This is the reason for our continuing and rapid growth.
Our factory is located in Wafangdian,Dalian and we have 70 workers and 8 technicians in the factory. Our sales office is in Dalian.
 Bearings
We can produce all kinds of ball and roller bearings. We are extremely good at producing cylindrical roller bearings for rolling mills and spindle of machine tools. All of our bearings for rolling mills are with P6 dimensional accuracy and P5 running accuracy. It is a good choice to replace some big brands like SKF, FAG, NSK…We have much lower price level and faster delivery (usually 40 days make-to-order) The bearings for spindle of machine tools are with accuracy P6/P5/P4/P2.
 Slew Drives
Hoyi released a new product-slew drives in the end of 2008 and already supplied to many applications like solar tracker, steering gears for special vehicles, steering gears for undercarriage, manlift platform, cranes, forklifts, mining and tunneling, positioning and automation, construction machines. The slew drive is a completed system, ready to install, consist of a ball or roller slewing ring, high torque hydraulic motor or geared electric motors and a total enclosed housing.
 Slewing Rings
Hoyi only produces large diameter slewing rings for various industries; engineering, metallurgy, ports cranes, mines, petroleum, chemical, aviation, shipping, war etc. The biggest slewing ring HOYI has produced is approx 6000mm in outer diameter.
 Other Products
Hoyi can also supply more products besides the above mentioned products, like steel section for forklift, ladles for molten steel…
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