Precision Engineering
Prioritizing micron-level accuracy and scientific molding principles to ensure tool longevity and part consistency for critical applications.
PRODUCTION MILESTONES
We deliver measurable precision. Every metric represents our capacity to handle complex geometries and ensure long-term production stability for global OEMs.
TECHNICAL EXECUTION
See our technical infrastructure in action. We integrate high-speed spindle technology with automated metrology to ensure that every complex geometry meets our +/- 0.005mm tolerance standard. This real-time process control is how we guarantee tool longevity and production stability for Tier-1 OEMs.
BEHIND THE PRECISION
We don't just manufacture; we validate. Every mold undergoes a rigorous engineering-driven protocol to ensure that design intent translates perfectly into high-volume production stability.

We utilize Scientific Injection Molding (SIM) protocols to establish a robust process window. Our T0-T1 reports include viscosity curves and cavity pressure studies, ensuring seamless mass production handover.

Beyond mill certificates, we verify the microstructure of premium steels (1.2343 ESR, S136). Every insert is heat-treated with documented HRC mapping to prevent premature tool wear in high-cycle environments.

Our Hexagon-powered CMM is integrated with SPC software to provide full FAI and CPK data. We analyze dimensional trends across multi-cavity tools to guarantee long-term interchangeability of components.
About
JST Mould is an engineering-driven toolmaker specializing in complex injection molds. We deliver IATF 16949 certified quality with tolerances to ±0.005mm, ensuring manufacturing stability for global Tier-1 automotive, medical, and electronics OEMs.
Our facility integrates DFM analysis and Moldflow simulation to optimize production. Utilizing scientific molding and precision CNC, we minimize cycle times and maximize yield for high-performance engineering resin components.

ADVANCED FACILITY
Our facility integrates high-speed CNC centers, precision EDM, and scientific molding cells to bridge the gap between complex engineering designs and high-performance production.

Our climate-controlled facility houses multiple high-speed CNC centers, ensuring consistent accuracy for multi-cavity tools and high-volume production schedules.

Equipped with precision CMM and optical measurement systems, we provide full dimensional reports and CPK/PPAP documentation to verify every critical tolerance.

Utilizing high-speed spindle technology to achieve micron-level tolerances (±0.005mm) on hardened tool steel, minimizing manual benching and ensuring part interchangeability.

We utilize decoupled molding principles and real-time data logging to optimize cycle times and ensure long-term manufacturing stability for engineering-grade resins.

Utilizing advanced EDM cells to achieve ultra-fine VDI surface finishes. This technology ensures micron-level accuracy for intricate mold ribs and complex features, eliminating the dimensional risks of manual polishing.

High-accuracy WEDM systems for processing hardened tool steel components. We ensure exceptional linear accuracy and tight-tolerance fitment for critical mold inserts and multi-cavity plate synchronization.
WHY JST MOULD
Defining the standard for high-precision tooling and manufacturing stability through technical rigor.
Prioritizing micron-level accuracy and scientific molding principles to ensure tool longevity and part consistency for critical applications.
Leveraging advanced Moldflow simulation and empirical data to identify and eliminate manufacturing risks before steel cutting begins.
Minimizing downtime and maximizing yield for Tier-1 supply chains through rigorous quality validation and total cost of ownership (TCO) optimization.
OUR EXPERTISE
A veteran engineering team focused on solving complex tooling challenges and process stability.
Tooling & Mold Design
20+ years of experience in complex hot runner systems and multi-cavity tool design for automotive and medical sectors.
Scientific Injection Molding (SIM)
Specialist in decoupled molding and process optimization, ensuring high CPK and manufacturing consistency for high-volume production.
QA & Regulatory Compliance
Expert in IATF 16949 standards and PPAP protocols, overseeing micron-level metrology and zero-defect quality control.
PROCESS & CAPABILITY
1-High-Speed CNC: Precision centers for complex geometries (+/- 0.005mm). 2-Precision EDM: Mirror-finish capability for high-aesthetic deep-rib details. 3-Quality Assurance: Full CMM inspection and electrode verification for Tier-1 compliance and zero-defect delivery.
We bridge the gap between complex engineering and flawless production. Our facility operates under rigorous internal standards to ensure every tool meets the structural requirements of global automotive and medical OEMs.

MANUFACTURING INFRASTRUCTURE
Advanced facility equipped with high-speed CNC and mirror EDM platforms, engineered to meet the stringent tolerance and surface finish requirements of Tier-1 automotive and medical sectors.
• High-Speed Centers: 12 units (Up to 24,000 RPM). • Large-Format: Up to 1500mm x 1000mm. • Hard Milling: Specialized for HRC 50+ steel.
• Mirror EDM: 8 units for VDI 0-12 finishes. • Precision Wire-Cut: Ultra-tight tolerance fitment. • Electrode Check: CMM verification before sparking.
• CMM Inspection: Full FAI/CPK reporting support. • Optical Projectors: For micro-feature integrity. • In-house Hardness Testing: Steel treatment verification.
• Press Range: 50T to 1200T capacity. • Scientific Molding: Systematic process logging. • Seamless Handover: Production-ready tool validation.