SERVICES
WHAT WE DO
Yeancheeng's core capabilities cover FPC flexible circuit molds, stiffener and backlight molds, electronic component jig and fixture machining, and FPC auxiliary material supply. From wire cutting, micro-hole EDM, CNC and punch presses to 2.5D vision measurement, all key processes are performed in-house.
Each service can be commissioned and quoted independently, covering everything from drawings to shipment, with mold start-up in as fast as 3-5 days.
CORE SERVICES
FPC Mold
Precision flexible circuit punching dies designed for major listed electronics manufacturers.
Reinforce & Backlight
Top-tier precision backlight material mold R&D, providing customized solutions.
Jig Machining
Introducing precision CNC automated equipment to optimize processes and improve accuracy.
Material Supply
FR4, PI/PET stiffener films, conductive silver foil, SUS304 sheet / coil stock.
HOW WE MAKE IT
From customer drawings to shipment, all key processes are in-house, giving us end-to-end control over quality and lead times.
Upon receiving the customer's FPC drawings and specifications, our engineering team confirms requirements and feasibility.
Mold layout optimization and machining program design based on the drawings.
Materials issued and prepared, using die steels such as DC53 / SKD11 / S50C.
Japanese Sodick wire-cutting machining, 1 rough + 4 finish pass accuracy 0.002-0.003mm.
CNC milling, micro-hole EDM and precision carving for in-house fabrication of die components.
Surface grinding and large wet grinding machines ensure the flatness of die components.
Die assembly, trial runs and fine-tuning.
Full 2.5D vision measurement inspection; packed and shipped with a QA report.
CAPABILITY
PRECISION
MATERIAL
EQUIPMENTS
An integrated in-house production line covering wire cutting, EDM, machining, grinding and measurement, with full process control across 49 precision machines.
Wire Cutting
High-performance wire-cut machines ×15 units, one-trim four-pass accuracy 0.002–0.003mm.
EDM
Micro-hole EDM ×3 units, for machining micro-diameter holes.
Polishing
×1 unit, improving hole wall and die surface finish.
Fine Carving
×1 unit, for precision carving of die components.
CNC Machining
Precision milling ×3 units, for in-house die component fabrication.
Stamping
Stamping ×15 units, for mass production punching and coil-feed automation.
Grinding
Surface grinders ×6 units, ensuring flatness of die components.
Grinding
×3 units, for grinding large die plates.
Measurement
Full dimensional inspection ×2 units; QA measurement report included with every batch.
Drawings, samples, or specifications are all welcome. Our professional team will evaluate and quote for you.