About Sanjo Seiki

We are a one-stop manufacturer with track record and experience in customization, offering proposals ranging from prototype molds to automated molding systems.

Technological capability cultivated through long years of efforts to meet customer requirements over half a century

Able to manufacture the most suitable mold based on expertise in different materials

Total support as a Miraial Group company

Product Information

Sanjo Seiki’s molding machines respond to the needs of different industries with accuracy and speediness.

Hybrid machine, hydraulic machine

Motor parts sealing, board sealing, heat resistant partsa

Color plate molding machine

Motor parts sealing, board sealing, heat resistant parts

Test piece molding machine

Motor parts sealing, board sealing, heat resistant parts

BMC molding machine

Motor parts sealing, board sealing, heat resistant parts

Liquid resin molding machine

Packing, sheet, seal parts, roll

Liquid resin casting machine

Packing, sheet, seal parts, roll

Other special machines

New construction methods, new materials, special products

Sanjo Seiki Co., Ltd.
Miraial Group