Xuzhou Zhongya Construction Machinery Co . , Ltd.

XuzhouZhongyaConstruction MachineryCo., Ltdis mainly engaged in design and produce machinery products.The main products are slewingbearings, gears, etc.
All the blanks for Zhongya slewingbearingsareperformed by hardening and tempering, hardness can reachHB220-280, the strengthis much higher than national standardofGB/T 3077 and GB/T 699, racewayusing medium frequency induction hardening machine, hardnesscan reachHRC55-62, the depth is biggerthan 5 mm, inner steel balls are treated by steel ball crushing test to ensure the load of the core.
Zhongya slewingbearings have many advantages:compactstructure, light weight, low noise, smooth operation, high precision, safe and reliable, it canbearthe axial force, radial force and overturning moment, it doing good on bearingheavy load and low speed.
We can survey, design and produce all kinds of non-standard spur geargears, helical gears and bevel gearsaccording to customers special requirements. Advanced production equipment and complete testing equipment to ensure the reliablequality, highperformance, reasonable price, short production time.
XuzhouZhongyaConstruction MachineryCo., Ltd is committed to building brand by the quality, reputation to win the cooperation.
Cooperation with Zhongyatoday, success in the future!

Products:

	Slewing Ring Bearings for Deck Crane	All the blanks for Zhongya slewing bearings are performed by hardening and tempering, hardness can reach HB220-280, the strength is much higher tha...
	Slewing Ring Bearings for Deck Crane	All the blanks for Zhongya slewing bearings are performed by hardening and tempering, hardness can reach HB220-280, the strength is much higher tha...
	China Slewing Ring, High Quality Slewing Bearing for Conveyer, Komatsu, Hitachi, Kato Crane, Excavator	All the blanks for Zhongya slewing bearings are performed by hardening and tempering, hardness can reach HB220-280, the strength is much higher tha...
	crane slewing ring, excavator slewing bearing, swing ring	All the blanks for Zhongya slewing bearings are performed by hardening and tempering, hardness can reach HB220-280, the strength is much higher tha...