Blog

Since its inception, Ganggu has focused on the development and manufacturing of high-quality hardware fasteners and precision CNC machining services.

Blog

Screw Set Buying Guide: Sizes, Materials and Kit Choices

A question-led guide to screw sets: metric vs imperial sizing, head and drive types, stainless versus zinc, how many pieces a kit really needs, and how to customize the assortment, case and label.

2026 11 05

CNC Machining Design Guide: 7 Decisions That Set Cost

Seven decisions decide what a machined part costs before the first cut: corner radii, tolerance callouts, surface finish, setup count, thread depth, wall thickness and volume. A practical DFM guide for engineers and sourcing teams.

2026 10 30

Custom Fastener & CNC Machining Supplier: 2026 Buyer's Guide

One factory for standard fasteners, custom screws and CNC machined parts. See how OEM buyers confirm materials, tolerances and standards before an RFQ, and run the nine-point checklist that prevents a second round of questions.

2026 10 30

Revolutionizing Electronic Solutions with GANGGU's Custom CNC Machining Services

2026 10 23

How to Choose the Right Screw for Wood, Metal and Concrete

Learn how to choose the right screw for wood, metal and concrete. Compare screw types, materials, threads, coatings, sizes and installation methods in one practical guide.

2026 10 16