4364 Katako, Bansei-cho, 992-1125 Yonezawa-City, Yamagata
Telephone +81 238 28 5411
Fax +81 238 28 1363


Hall map

K 2016 hall map (Hall 14): stand A70-03

Fairground map

K 2016 fairground map: Hall 14

Our range of products

Product categories

  • 03  Machinery and equipment for the plastics and rubber industries
  • 03.06  Moulds and dies
  • 03.06.005  Hotrunner systems

Our products

Product category: Hotrunner systems

Hot runner (Runnerless system for thermoplastic resin)

As a hot runner pioneer Seiki can meet customer's various kinds of needs quickly.
We have high seeds, wealth of experience and full product line-up.

Both Seiki's Valve system and Spear System work for all kinds of thermoplastic resin.
Our original design always keeps hot runner part in even temperature distribution.
Its system principle solves typical problems related to hot runner such as material burning, material leakage, gate clogging, stringing, drooling, gate balancing, troublesome maintenance.

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Product category: Hotrunner systems

LSR and Rubber Runnerless Molding System

As the frontier of thermoplastics runnerless system maker, we made full use of our accumulated technology, and developed the rubber injection molding system which has never been accomplished before. We are confident of helping you to challenge cost reduction and zero-emission.

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Product category: Hotrunner systems

Valve Gate System

Mechanical Valve Gate System incorporates a valve pin activated by pneumatic drive. We have full-line of valve gate including options, with the length up to 400mm, gate size of 0.8 - 8.0mm. Various kinds of valve gate in accuracy and function are available. Depends on application, valve gate with tip heater is available, too.

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Product category: Hotrunner systems

Spear System

The spear has a double heater structure consisting of a tip heater and a body heater.
The spear tip has been modified to directly heat itself.
There are a large variety of spears available to accommodate different resin types and applications.

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Product category: Hotrunner systems


It features user-friendly hot runner operation and a high degree of accuracy. S2000 controller can be monitored/controlled through a Windows PC by adapting optional elements such as signal tower, switch box, big-screen entry unit, PC connection module. Moreover, it is possible to centrally control more than one controller through one PC. it is also possible to put temperature and output current on record (CSV format) by means of its logging function.

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About us

Company details

We always value trust, and act with sincerity. To create new value, we optimize the usage of all business resources available to us by providing customers with runnerless equipment for rubber and plastics which are the best energy-saving and resource-saving systems. We strive to improve customers’ trust and satisfaction and to create a brilliant future - which is deemed as our mission.

As a member of the KISCO Group, we - Seiki Corporation - will carry out our mission and aim for high quality management of worldwide standards. Here, we declare that each employee will always observe the rules, with honesty, in the quality of engaged tasks, maintaining a worldly outlook, while aiming to be the global leader and continuously work hard.

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