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The number of technicians holding the national certification for shirt sewing skills approved by the Minister of Health, Labor and Welfare :

Koyama factory:
Level 1: 6 / Level 2: 23
Shinsyu factory:
Level 1: 2 / Level 2: 16


Level 1 holders:
can make a paper pattern, cut and sew the cloth, then make two types of shirts ; dress shirt and open shirt on the dasis of the paper pattern.
Level 2 holders:
can sew a dress-shirt on the basis of the parts cut beforehand.


With introducing the most advanced technology and developing day by day, we have kept the high quality which can be accepted in the world.