Dongguan Jeek Precision Technology Co., Ltd. — founded 2013
CNC Machining Blog
Guides on CNC machining, materials, processes and sourcing, written from the same evidence as the rest of this site: the company website and the shop listings, with figures kept on the page that states them. Each guide names the question it answers, so a buyer can choose the guide that matches the decision being made.
Send your part drawing for a machining reviewAll blog guides
CNC Machining vs 3D Printing: A Practical Comparison
Accuracy, material and surface favour machining; geometry, customisation and no tooling favour printing. This guide compares the two routes question by question, so the part's job decides the route.
Preparing CAD Files for a CNC Quotation
Units, scale, datum, tolerances, finishes and quantity: the facts a drawing must carry before a quotation can be written in one pass, plus the four quotation steps.
Choosing a CNC Machining Material
Metals, plastics, ceramics and composites, kept in separate lists by source page, with a selection table organised by the part's job rather than by a merged catalogue.
Choosing a Surface Finish for a Machined Part
Mechanical finishes, coatings and metal treatments compared by the property they must deliver — appearance, corrosion, wear, friction or grip — with the mistakes that come from specifying a finish by name alone.
From Prototype to Low-Volume Production
How a prototype question becomes a batch plan: naming the prototype, issuing revisions, fixing quantity, choosing the route, and agreeing inspection and repeatability across the batch.
Injection Moulding vs Vacuum Casting for Limited Runs
Expensive mould with cheap parts against cheap mould with expensive parts: the economics, materials and timing that decide a small batch, and when to cast to learn and mould to produce.
A Sheet Metal Prototyping Guide
Cut, bend, join and finish as four planned steps, with cutting routes compared in general terms and the drawing mistakes — holes near bends, impossible radii, finishes that fight joints — that cause remakes.
A Sourcing Checklist for Medical Device Precision Parts
Material grade and biocompatibility, process per feature, inspection tools and reports, and the quality system actually held — a checklist to use at quotation, not after delivery.
How to use these guides
Start from the decision, not from the guide title. A buyer choosing a route reads the machining-versus-printing guide; a buyer preparing a first inquiry reads the CAD preparation guide; a buyer choosing a grade reads the material guide; a buyer choosing a finish reads the surface guide. Each guide ends with the same practical step: send the drawing, state the material, the critical dimensions, the finish and the quantity, and confirm the route, the grade or the finish at quotation.
Guides by topic
Route guides cover machining against printing, moulding against casting, and prototype against small-batch production. Material and finish guides cover material selection and surface finish selection. Preparation guides cover CAD files for quotation and a sourcing checklist for medical device parts. Together they cover the decisions a buyer makes before ordering, in the order those decisions are usually made.
More pages on this site
Service lines are listed on the services page, processes under Processes, materials under Materials, and industries under Industries. The tolerance guide keeps every accuracy figure on the page that states it.