The D.I.D Brand is known for its dependability in design. D.I.D is an established technical innovator in the world chain drive market. This Japan based manufacturer has been serving a broad spectrum of industries with quality products for over 80 years. D.I.D technology turns timely ideas into productive realities. Daido Kogyo Co. Ltd., the manufacturer of D.I.D Brand Products, is certified according to IS09001, 14001 & API.