Dongguan, China · Founded 2010 · ISO 9001:2015
Precision Mold Components.
Built to Your Drawing.
Custom inserts, cores, cavities, EDM electrodes, punches and complete tooling support for connector, automotive electronics and high-precision plastic mold programs. Full process from material to CMM inspection.
Three capabilities.
One process chain.
Huicheng coordinates material sourcing, CNC, EDM, wire EDM, precision grinding, heat treatment and CMM inspection around your drawing and tolerance requirements. Route planned per part.
Precision Mold Components
Custom inserts, cores, cavities, sliders, lifters, core pins and punches to controlled 2D/3D drawings. Connector and automotive connector tooling is a primary focus.
Inserts · Cores · Cavities · Punches
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01
EDM, Electrodes & Wire EDM
In-house electrode machining on Jingdiao equipment, EDM on Makino EDGE3S and Sodick AD32LS, wire EDM on GF CUT C 350 and Seibu for deep ribs, profiles and hardened steel.
EDM · Electrodes · Wire EDM
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02
Mold Trial & Injection
Yizumi 120T, 200T and 320T injection equipment with robotic extraction for mold trial, sample verification and project-specific injection runs.
120T · 200T · 320T · Yizumi
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03
One factory.
Every component
your mold needs.
From precision mold inserts to carrier-tape stamping tooling — all reviewed from the controlled drawing. One-off, low-volume and repeat-batch orders accepted.
Full component details →Factory-recorded
stable tolerances.
These are process sheet references. Quoted tolerance per feature is confirmed against drawing, material, heat treatment, setup and agreed measurement method.
Controlled from drawing
to delivery document.
The route is planned from geometry, material, hardness, datums, EDM access and inspection scope before production starts.
Drawing review
Material, hardness, tolerances, GD&T, surface finish and treatment requirements confirmed.
Route planning
CNC, EDM, wire EDM, grinding, heat treatment and surface treatment steps sequenced per part geometry.
Electrode & EDM
Electrodes machined on Jingdiao equipment and CMM-inspected before spark erosion begins.
In-process checks
IQC, PQC and FQC checkpoints catch material, hardness and dimensional issues during production.
Reports & delivery
CMM, dimensional, hardness, material or trial documents provided as agreed in the RFQ.
Chang’an, Dongguan.
Precision tooling
since 2010.
60% Export
30+ Staff
~1,500 m²
Founded in Chang’an, Dongguan — one of China’s most concentrated regions for precision mold manufacturing. Full process chain under one roof: CNC, in-house electrode manufacturing, EDM, wire EDM, precision grinding, coordinated heat treatment and CMM inspection.
Equipment listed by name — Makino, Sodick, GF, Seibu, Jingdiao — so buyers can evaluate capability before visiting. English-language documentation is standard workflow, not a special arrangement.
Primary applications: connector tooling & automotive transmission connector components, automotive electronics mold parts, medical aesthetic device tooling, precision fixture and automation components.
A complete RFQ
gets a faster, cleaner quote.
The more complete the input, the more accurately process route, cost drivers and risk points can be identified before production begins.
Controlled 2D and 3D files
PDF drawings plus STEP / STP / IGES / X_T models. Include revision level and confirm the controlled version.
Material, hardness & treatment
Specify grade — SKD61, 1.2344, DC53, S136, ASP23 — plus heat treatment, coating, polishing or texturing.
Critical tolerances & GD&T
Mark dimensions, datum references, fits, surface finish and GD&T callouts that control function and mating behavior.
Quantity, date & required reports
Target delivery date and which documents are needed: CMM, dimensional, hardness, material or mold trial report.
Before you send
the drawing.
Practical answers to questions that come up most often at the start of a new supplier relationship.
What tolerances can Huicheng hold?
Process sheet references: CNC ±0.01 mm, EDM 0.002 mm, wire EDM 0.02 mm, surface grinding 0.02 mm. Quoted tolerance per feature confirmed by drawing, material, heat treatment, setup and the agreed measurement method.
Can you go from raw material to finished, inspected part?
Yes. The route covers material sourcing and verification, CNC, EDM, wire EDM, grinding, coordinated heat treatment or surface treatment, and final CMM or dimensional inspection.
Do you make EDM electrodes in-house?
Yes. Jingdiao JDLVM400P equipment handles electrode machining. Electrodes are CMM-inspected and held in a status-controlled area before EDM begins.
Do you accept one-off and low-volume orders?
Yes. Single parts, low-volume batches and repeat orders reviewed from the controlled drawing. Projects can start from a few thousand RMB for precision components.
What is the typical lead time?
15–20 days for precision component projects. Material procurement, heat treatment, surface treatment, complexity and inspection scope all affect schedule. Final timing confirmed at quotation.
Can you sign an NDA before we send drawings?
Yes. NDA support available before controlled drawings or project files are shared. Customer drawings and identifiers are not published on this website.
Have a drawing
ready to review?
Send your 2D/3D files, material, critical tolerances, quantity and target date. We will review the process route and reply with technical questions or a quotation.
International Sales
No. 1 Dongfa Street, Building 1, Room 202Chang’an Town, Dongguan, Guangdong, China