We mainly produce railroad vehicle parts, and we carry out high-quality production through advanced design and production technology. Vehicle door products Vehicle panel products We have been developing with the aim of becoming a proposal-type company. Introducing the technologies we have developed and proposed so far. Dieless forming Door automation line High speed bonding system Technology transfer to China We are working hard to make things in Yokosuka, the birthplace of modern industry. Corporate philosophy Company Profile History Main customers 2008/02/01 The homepage of Yokohama Seiki Co., Ltd. has been renewed. 2008/05/25 English version has been added. Reproduction, reprinting, broadcasting, etc. of articles and photos posted on this website is prohibited. Copyright (c) 2008 Yokohama Seiki Co., Ltd. All Rights Reserved.