Toa Koki casts cylinder liners, cylinder covers, cooling jackets, bases for stern tube bearings,
seal liners, turbocharger casings, and other components for ship main engines, main engines for power generators,
ship components, and internal combustion engines for land-based auxiliary equipment.
We deliver these products as post-processed finished products to diesel engine licensers and licensees.
These products are subjected to standards inspections by the classification societies listed below to ensure they meet our customers’ required specifications. As of 2015,
we have been certified as a manufacturing Factory by the classification societies listed below.
We also manufacture cast components for all types of industrial machinery.
|Date of Certification||Name of Certification-granting Organization||Abbreviation|
|January, 1966||Det Norske Veritas||DNV|
|October, 1969||Ministry of Land, Infrastructure, Transport and Tourism (Japan)||JG|
|May, 1979||Lloyd’s Register (UK)||LR|
|October, 1981||Germanischer Lloyd||GL|
|July, 1991||Korean Register of Shipping||KR|
|June, 1999||China Classification Society||CCS|
|January, 2003||Nippon Kaiji Kyokai (ClassNK)||NK|
|April, 2005||Bureau Veritas (France)||BV|
|July, 2007||American Bureau of Shipping||ABS|
|February, 2008||Registro Italiano Navale||RINA|
About receiving LRQA certification from Lloyd’s Register
ISO 9001 (certified in February 1995)
ISO 9001: Quality management system. It is not designed simply to ensure that good products are manufactured; in addition, it requires “the management and continuous improvement of a system designed to provide improved products and services.” Companies create and operate such systems in accordance with common global rules.
ISO 14001 (certified in June 2014)
ISO 14001: Known as the “environmental ISO,” this certification indicates that the company has a system in place designed to continually make improvements to activities, products, and services that affect the environment in order to protect the environment.
ISO 45001 (certified in June 2021)
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ISO 45001: ISO45001 is an international standard for occupational health and safety. The goal of ISO45001 is the prevention of occupational injuries and diseases and ensuring that workplaces are safe and healthy (occupational health and safety). The standard stipulates the factors that are required to ensure continuous workplace improvement.