Shaping Ideas with Precision
Japanese Quality, Global Trust
Taisei is a Japan-based plastic molding manufacturer
providing fully integrated solutions —
from mold design and production
to injection molding, secondary processing, and assembly.
With decades of expertise, we deliver genuine Japanese quality,
meeting the highest standards for complex shapes and materials.
Our flexible system supports both single processes and
end-to-end solutions — turning your ideas into precision-crafted reality.
1
Product Engineering
2
Mold Production
3
Injection Molding
4
Secondary Processing
Injection Molding
High-Precision, High-Quality Plastic Molding Powered by Expertise and Advanced Technology
Focused on injection molding, we also handle vacuum forming,
thermoset molding, and blow molding.
Our engineers carefully control temperature, pressure, and cooling to ensure optimal balance and consistent quality.
Taisei’s Plastic Molding
01
Complex Shapes
We achieve stable molding even under challenging conditions
and with varying wall thicknesses through precise process control.
02
Clear Molding
03
Precision Quality
04
Advanced Materials
High-Performance Resins
Reinforced Resins
Eco Plastics
05
Other Molding Methods
Showcase
Case studies with technical details (Japanese only)
Our showcase includes product photos along with information on application fields, molding methods, material categories, and applied technologies. Even though the page is in Japanese, the technical details and images help you understand our capabilities.
Product Engineering
Comprehensive Support from Prototyping to Mass Production
Mold Production
The Core of Plastic Molding
— Precision Built on Quality
Secondary Processing & Assembly
Comprehensive Finishing
— From Processing to Packaging
Toward World-Class Quality
JAPANESE QUALITY
With sincerity and a spirit of continual challenge, we carry trust and quality into the future.







