TJ-Teck · Mold . Tomorrow . Together
Injection moulds and moulded parts, built for small and mid-sized projects
Small and mid-sized injection tooling projects, quoted in 1-3 working days and built to European and American shop standards.
Chang'an Town, Dongguan, in the Greater Bay Area. Working towards buyers in Europe and America since 2017.
- Founded
- 2017, Chang'an Town, Dongguan
- Quotation
- Back in 1-3 working days
- Mould types
- 8 quoted as standard
- Markets
- Europe and America
What we make
Seven reference parts, seven different tooling problems
A straight-pull cover, a housing with slides, a cap that needs an unscrewing core, a transparent part that needs mirror-polished steel, and an assembly where three tools have to agree with each other.
Plastic Cover with Pad Printing
A long, slim appliance fascia cover moulded in one shot and decorated with a pad printed mark, so the panel leaves the tool shop already branded.
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Electronic Box
A moulded enclosure with integrated snap latches, a cable port and a sealing lip, built so the housing closes and seals without added hardware.
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Cap with Threads
Plastic moulded part with a thread structure: an internally threaded cap with a moulded spout, released by an unscrewing mould rather than a split core.
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Thread Clear Part
A transparent moulded cup with fine external ribbing and a threaded feature, run in a mirror-polished cavity where every tool mark ends up visible in the wall.
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Plastic Cover
A moulded cover with button apertures and a textured face, the kind of part where aperture position and texture consistency decide whether it is accepted.
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Blender Assembly
A multi-part appliance assembly: a transparent bowl, a coloured lid and a blade carrier, each with its own tool and all of them having to fit each other.
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Toothbrush Handle
A slim handheld handle with moulded button apertures and an indicator window, the classic case for a two-shot over-mould once a soft grip is added.
View partEngineering
What happens before anybody cuts steel
Tooling mistakes are cheap on a screen and expensive in a block of 1.2738. Four of the six services below exist to move the decisions earlier.
Quotation & RFQ
2D and 3D data or a sketch goes in, a quotation with the mould type, steel grade and component brands written on it comes back.
Read moreDesign for Manufacturability
Fourteen named checks on your 3D model, issued as a written report before mould construction starts.
Read moreMoldflow simulation
Six questions answered before the tool exists: gating, cycle, venting, clamping force, cooling and distortion.
Read more3D & 2D mould design
Mould models and construction drawings built around safety, durability, replaceable wear parts and maintainability.
Read moreInjection moulds and tooling
Eight mould types, mould bases and components from LKM, Hasco, DME, Meusburger, Progress and Misumi.
Read moreEquipment sourcing
A network across Shanghai, Shenyang, Dongguan and Shenzhen, used to find production equipment for customers worldwide.
Read moreTooling
Eight mould types, quoted as standard
Which mould type your part needs is decided by two things: whether it has a moulded thread or an undercut, and how many parts a year you actually buy. Everything after that is a cost conversation.
- Standard Mold
- Prototype Mold
- Reversed Mold
- Multi-cavity Mold
- Unscrewing Mold
- Hot runner Mold
- 2K Over Mold
- 2K Rotational Mold
How a project runs
From your CAD file to a crated mould
Six steps, each with a document attached to it, so you always know what has been decided and what is still open.
Send data
2D and 3D data, or a simple sketch if the design is not frozen. Tell us the annual volume; it decides more of the price than anything else.
Quotation in 1-3 days
Written against named choices: mould type, steel grade, mould base, hot runner and component brands.
DFM report
Fourteen checks on the model, from de-molding direction to markings and graining, agreed with you before steel is cut.
Simulation where it earns it
Gate position, fill pattern, air traps and clamping force verified on screen rather than on the first trial.
Mould design release
3D mould model and 2D construction set released for your review, with the shrink factors used stated.
Build, trial, ship
Tool built, trialled and measured against your drawing, then crated for export or kept running for part supply.
Inside the tool shop
Moulds built and fitted in Chang'an, Dongguan
Cavity and core work, bench fitting, first trial and export crating, photographed in the shop rather than borrowed from a catalogue.
Industries
Where these parts end up
Electronics
Enclosures, covers and handheld housings, where the tooling problems are sealing faces, snap latches and apertures that must not flash.
Read moreAutomotive Interior & Exterior
Interior trim and covers, where grain consistency, draft angle and slide design carry the whole quality argument.
Read moreIndustrial & Agriculture Equipment
Closures, covers and housings for equipment that lives outdoors, where a thread that leaks is a warranty claim.
Read moreKnowledge base
Reference notes on injection tooling
Written for buyers and engineers who have to compare two tooling quotations and work out where the difference is hiding.
Choosing between the eight injection mould types
Standard, prototype, reversed, multi-cavity, unscrewing, hot runner, 2K over mould and 2K rotational: what each one is for and what it costs you.
6 min read
Mould steel grades and standard component brands, and why they appear on the quotation
A reference list of the steel grades, mould base suppliers, component suppliers and hot runner brands TJ-Teck quotes, with notes on when each grade is the right one.
7 min read
The fourteen DFM checks, and what each one catches
De-molding direction through markings and graining: the fourteen items in a TJ-Teck DFM report and the defect each one exists to prevent.
8 min readCommon questions about working with TJ-Teck
How quickly can TJ-Teck quote a new mould?
1-3 working days from receiving 2D and 3D data, or a sketch if the design is not frozen yet.
What size of project does TJ-Teck take on?
Small and mid-sized injection tooling projects. The company describes itself as a middle-sized tool shop and works to keep those projects reliable and flexible.
Which component and hot runner brands can be specified?
Mould bases and components from LKM, Hasco, DME, Meusburger, Progress, Misumi, Cumsa, Staubli, AHP Merkle, HPS, Parker and HEB; hot runners from HRS, Synventive, Husky, Incoe, Mold Master, YUDO, Mastip, Ewikon, Runipsys and DME.
Where is TJ-Teck located?
Room 102, Building No.1, JiangNan No.2 Street, XiaGang Village, Chang'an Town, 523873, Dongguan City, Guangdong, PRC, in the Greater Bay Area.
Does TJ-Teck supply moulded parts as well as moulds?
Yes. Tell us whether you want the tool shipped to your plant or the parts supplied, and the quotation is written for that scope.
Send your 3D data and the annual volume
That is enough for a quotation in 1-3 working days, with the mould type, steel grade and component brands written on it.