Profile: Anshan Newfield Slewing Ring Co., Ltd. provides slewing products. Our products are applied in the field of engineering machinery, wind power, solar tracker and railway machinery. Our products include four-point contact ball, double-row ball, light flanged and crossed roller slewing rings. Crossed roller slewing ring has a single-row short cylindrical roller. The axes line of the adjacent roller are 90° cross spread. There are two raceways in outer and inner ring. The section of raceway is linear. Our slew drive consists of worm, slewing ring, housing and motor. Our slew drive used in heavy pallet transporter, container carrier, crane and solar tracker.