We SamBo, are best Backstop clutch(Cam clutch) maker in Korea, established on 1990. Cams of Sam Bo was developed on 1992 in korea individually and we started production of various kinds of Cam clutches. This Cam clutch can overrun freely in one direction of rotation. Reverse rotation is instantaneously prevented by the automatic engagement of the clutch (also called a backstop clutch or a one-way clutch). Our clutches are used for conveyor, bucket elevator, mining machinery, printing & packing machine, textile machine and general transfer machinery, agricultural machinery(Combine), gear reducer, fan, high voltage switchgear.... We have exported our products to Indonesia, Saudi arabia and Malaysia power / cement plant project from 1995 with Taiwan, China and Thailand, Malaysia, India, Japan, Germany & Brazil business...etc. At the present time, Our big enduser(Cement maker, Electric power Co, Steel manufactuer, Gear reducer & Precision machinery manufactuer...) are using our products mainly instead of Stieber(Gemany), Tsubaki(Japan) in Korea. Because our quality & quotations are competitive. Besides our after sale service is best. For more information about our company and products, pls visit our website http://www.backstop.co.kr   Looking forward to providing you the satisfying products and service. Thanks & Regards