Company Name: Plamoul Seiko Co., Ltd.

Head Office: 4-3-5 Takanomori, Tomiya City, Miyagi, Japan

Established: October 1983

Capital: JPY 70 million

Employees: 38 (as of April 2025)

Products:
Ultra-Precision Molds (for Injection Molding), Molding & Processing, Precision Electronic Components (e.g., Connectors)

In-House Products

「Gastoose」、「Super Gastoose」、「Airtose」、
「Radiator Sprue」、「Revo Sprue」、「Revo Gate」Development, Manufacturing, and Sales

Features of In-House Developed Products

[Gastoose]
Highly effective in reducing weld lines, short shots, gas burn marks, and mold maintenance frequency.

【“Super　Gastoose 】
Significantly improves productivity with outstanding gas venting capability.
The venting area can be precisely machined to match the product shape.

[Airtose]
An innovative venting system that allows the vent gap to be freely adjusted while the mold remains mounted on the injection molding machine.

【Radiator Sprue】
Completely eliminates stringing!

【Revo Sprue】
Star-Shaped Sprue Bush.
Significantly reduces cycle time and material consumption.

【Revo Gate】