Zero-draft, slide-free molding
Straight-wall charger housings molded without slides: 163 mm tall, VDI 30 texture, no drag marks on the side walls.
Mold making · Injection molding · Automation
Precision molds and molded housings for power and connectivity products
We design and build the tool, then mold, automate and inspect the housing in one plant in Dongguan, Guangdong: 71 machines, 25 to 35 new molds a month, ISO 9001 and ISO 14001.
- 71 Injection molding machines across two plant areas
- 25–35 New molds built per month
- 150+ Employees, including 20 mold makers
- 4,000 m² Plant area, 3,000 m² of production floor
Product range
Molded parts we build tools for
Each range below is produced on our own molds and molding machines. Open a range to see molded examples, housing construction and surface options.
01
Wall Charger Housings
Compact charger bodies with fixed or folding pins. Straight side walls, fine textures and parting lines that stay…
02
PD & Fast-Charge Housings
Multi-port fast-charge bodies with tight port tolerances, high-gloss faces and thin, straight walls that still pass drop and…
03
Desktop Adapter Enclosures
Power brick enclosures molded in two halves, with vented panels, indicator windows, label recesses and internal screw bosses…
04
Network Device Housings
Router, ONT and gateway housings with snap-fit covers, port cut-outs, wall-mount slots and internal ribs that keep the…
05
Socket & Power Strip Components
Socket chassis, safety shutters, terminal blocks and end caps for wall outlets and power strips, molded in flame-retardant…
06
Energy Storage Housings
Opaque and translucent housings for portable power banks, storage cells and battery tubes, including light-diffusing walls and perforated…
In-house
Tool shop, molding floor and automation department
One plant, one owner for the tool and the part
Mold design, toolmaking, molding and automation are not outsourced
Your project starts at DFM and ends with packed parts. Because the tool shop, the molding floor and the automation team sit in the same building, a mold change, a gate adjustment or a new insert machine is measured in hours rather than weeks.
- Mold design and review before steel is cut
- CNC, EDM, wire EDM, milling, grinding and drilling on site
- 71 molding machines from 80T to 260T across two plant areas
- Five-axis servo take-out, automatic sprue cutting and pin insertion
Engineering
The three problems that decide a power housing
Straight walls, fine texture and invisible parting lines are where most housing projects stall. These are the methods our engineering team has already production-proven.
Edge stress-mark control
Cavity-core pull and a mother-cavity ejection layout remove the thick-to-thin flow mark that shows as a bright edge on PC housings.
Slide parting-line control
Two- and four-side slide tools with calculated thermal growth of slide and cavity, so batch after batch the parting line stays below hand-feel.
How a project runs
From drawing to packed cartons
A fixed sequence, with documented checks between each step.
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01
Quotation & DFM
We review the 3D model, wall thickness, gate position and texture, then quote tooling and part price.
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02
Mold design
Cavity layout, cooling, ejection and slide design are agreed before machining starts.
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03
Tool build & trial
Machining, fitting and T0 trial. First articles are measured and sent for approval.
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04
Mass production
Molding, in-line inspection and automatic secondary operations run to the approved parameters.
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05
Inspection & packing
Final inspection, RoHS documentation where required, packing and shipment.
Quality & laboratory
Materials and parts are checked in our own laboratory
Incoming resin, in-process parts and outgoing shipments are inspected by a 15-person quality team, using RoHS screening, salt spray, melt flow index, color and gloss measurement, drop and ball-impact tests, and a high-low temperature chamber.
- ISO 9001:2015 and ISO 14001:2015 certified management systems
- IQC, IPQC, OQC gates with documented records
- Parts produced to RoHS requirements
Certification
Management systems audited to ISO 9001 and ISO 14001
The quality and environmental management systems are certified by a third-party body. Certificates are available for download and can be sent with your quotation package.
View certificates
Engineering notes
What we have learned on the molding floor
Why we automate sprue cutting, pin insertion and riveting
Three secondary operations decide whether a housing is reliable: trimming the gate, inserting the pins and riveting the spring contacts. Here is…
Read the note
Keeping a slide parting line below hand-feel
On a tall housing with side openings, the slide and the cavity run at different temperatures. Calculating the thermal growth of both…
Read the note
Zero-draft molding: what it takes to release a straight wall
A straight housing wall has no draft to help it leave the tool. Here is how we mold a 163 mm tall,…
Read the noteSend us your drawing and get a tooling quotation
Tell us the part, the housing style, the annual volume and the market. We will reply with a feasibility note, tooling approach and lead time.