Free China Guides

Field-tested playbooks for sourcing, manufacturing, prototyping and quality control in China — written on the ground in Shenzhen & Guangzhou.

Free Tools

Fast, accurate, no sign-up — interactive calculators and finders for sourcing, QC and importing from China.

Tool · 2026

Canton Fair 2026 Phase Finder

Pick your product category and get the exact 140th Canton Fair (Autumn 2026) phase, dates and a prep tip.

Tool

AQL Sampling Calculator

Real ANSI/ASQ Z1.4 (ISO 2859-1) single sampling tables — get the code letter, sample size and Accept/Reject numbers.

Tool · 2026

US Import Tariff Estimator

Estimate the 2026 duty stack on China imports — base + Section 301 + Section 122 — with a de-minimis warning.

Tool · 2026

China eSIM Comparison

Every China eSIM & SIM side by side — data, price, validity, +86 number and firewall bypass. Airalo, Saily, Holafly, Nomad, Ubigi, Trip.com, CMLink vs local SIMs.

Tool

China Visa Checker

Check whether you need a visa for China, plus visa-free, transit and Hainan options for your nationality.

Find, vet and buy from the right China supplier — and bring it home.

2026 · New

Verify a Chinese Supplier (2026)

Full 2026 checklist: business-license checks, factory vs trading company, audits, sample testing and the red flags to walk from.

2026 · New

Huaqiangbei Sourcing Guide

Navigate the markets, spot re-marked parts, negotiate with stalls and combine market components with factory assembly.

2026 · New

Canton Fair 2026 Buyer's Guide

Autumn phase dates, how to actually work the floor, vet suppliers in person and negotiate on real capacity.

Turn a design into a manufacturable, shippable product in the world's deepest hardware ecosystem.

2026 · New

Prototype Hardware in Shenzhen

Concept to PVT, real costs, timelines, DFM, IP protection and the 2026 import rules — the full playbook.

2026 · New

AI Hardware Prototyping

Chipset selection, NPU platforms, EVT/DVT/PVT and the cost math for edge-AI devices made in China.

2026 · New

OEM vs ODM in China

Clear definitions, how to choose, deal structure, tooling ownership and the mistakes that trap importers.

Custom Merch Line

Starting a custom merchandise line with Chinese factories without big MOQs.

Print-on-Demand

China POD for international sellers — cheaper than US/EU and how to set it up.

Protect every order — from the first component to the sealed container.

2026 · New

Quality Control in China

Inspection types, AQL sampling and how to build a bulletproof QC process that protects your order.

China Travel Basics

Practical essentials for getting around China on a sourcing trip.

China Visa Guide

Visa types, 144-hour transit and the visa-free list for 2026.

Maps & Navigation

Google Maps doesn't work well — what to use to get around instead.

Paying in China

Alipay, WeChat Pay and foreign-card options for paying as a foreigner.

Ordering Food

How to order food in China without speaking Chinese.