 
The ISO 9000 Series of standards has been established as a "Standard of quality assurance from the standpoint of purchasers".
The development, design, manufacture, engineering inspection and related services for DID power transmission chain, tensioners, guides, motorcycle rims manufactured in the Fukuda Plant and the Iburihashi Plant as well as the design, development, manufacture, installation, and supervision for conveyor systems, parts and amenity products such as moving chairs are certified as being in compliance with ISO 9001 by the Japan Quality Assurance Organization. |
The American oil industry applies rigid quality control standards to all mechanical parts used in oil field development and oil refining. The API(American Petroleum Institute) examines conformity with their standards and grants approval to mechanical parts which meet these standards.
Since Daido Kogyo's authorization by API to use its official monogram in 1972, we have been supplying D.I.D roller chains and sprockets to companies in the USA and all over the world under this rigid quality control system. |
The D.I.D Brand known for its Durability and Dependability in design is an established technical innovator in the world chain drive market, serving a broad spectrum of industries with quality products since May 1933. 
Our technology turns timely ideas into productive realities. D.I.D a professional partnership you can count on for your optimum drive system solutions. The ISO 9000 Series of standards has been established as a "Standard of quality assurance from the standpoint of purchasers". "Click to Enlarge")
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