Back to Fact-Link's Top Page > Plastic Injection > Shinsei Molding Co., Ltd.
Shinsei Molding Co., Ltd.
Precision Plastic Molding - Insert Mold, Hoop Mold

High Productivity with Our Unique Multi-Cavity Molds



Battery Components (Gaskets) - critical safety parts
Molded using a semi-hot runner mold with specially designed chips.


■ Achieves high quality and high productivity by reducing injection molding cycle time and utilizing multi-cavity molds (up to 64 cavities).
​■ Saves material and reduces plastic waste (environmentally friendly).

Gaskets for Alkaline Batteries


Gaskets for Lithium-Ion Batteries


Heat-Resistant Coin Battery Gaskets


Automotive Battery Caps


Latest Update 24 Feb 2026