Shenzhen & Guangzhou — on the factory floor

Your China Sourcing, Manufacturing & QC Partner

A bicultural operator on the ground in South China. I verify suppliers, run prototyping sprints, and inspect your goods before they ship — working only for you.

Book a Free 15-Min Consult WhatsApp Me

free 15-min consultation — 100% credited to any package you book within 30 days. No payment online.

3Service pillars
AQL 2.5Inspection standard
30+Free expert guides
BeijingShanghaiYiwuChengduGuangzhouShenzhenHong Kong
Based in Guangdong
30 Expert Guides
Proven Track Record
12+ Countries Served
AI-Agent Ready

Three things I do, end to end

One bicultural operator on the factory floor in South China — across the full product journey.

🔎

Sourcing & Procurement

Find the real factory, verify it on the government registry, and negotiate FOB direct — not the trader behind the storefront.

  • Supplier verification & due diligence
  • Audited factory shortlists
  • Canton Fair buyer program
Explore sourcing →
⚙️

Manufacturing & Prototyping

From napkin sketch to production in Shenzhen — PCB/PCBA, tooling, EVT→DVT→PVT and OEM/ODM.

  • Hardware prototyping sprints
  • Huaqiangbei component sourcing
  • Tooling ownership & DFM
Explore manufacturing →
✅

Quality Control

AQL inspections, pre-shipment checks and on-site eyes that work for you — with a photo report in hours.

  • Pre-shipment & DUPRO inspections
  • AQL 2.5/4.0 sampling
  • Remote & on-site QC
Explore quality control →
Free playbook

The 2026 Shenzhen Sourcing Playbook

50 factory questions to ask before you pay a deposit, plus negotiation scripts and a sample audit report — bilingual (English / Chinese).

Free PDF. No spam — unsubscribe anytime.

What We Do

End-to-end China operations — from supplier verification to pre-shipment QC.

⚙️

For Hardware Entrepreneurs & R&D Teams

  • Prototype-to-production in Shenzhen
  • Component sourcing (IoT, sensors, PCBs, custom electronics)
  • Factory evaluation and selection
  • Quality control and pre-shipment inspection
  • Patent filing in China
  • Hardware accelerator applications (HAX, Brinc, x.factory)
Talk to us about your hardware →
📦

For Brands & E-commerce Sellers

  • Private label and OEM/ODM sourcing
  • Print-on-demand and custom manufacturing
  • Supplier verification and factory audits
  • Shipping and logistics (air, sea, rail)
  • Amazon FBA prep from China
  • TikTok Shop and Xiaohongshu market entry
Start sourcing →
🤝

For Canton Fair & Trade-Show Buyers

  • Pre-fair booth shortlisting & bilingual RFQ prep
  • On-site translation, note-taking & live video
  • Factory-vs-trader vetting at the booth
  • 72-hour post-fair follow-up & vetted shortlist
See the Canton Fair program →
🌏

Remote + On-the-Ground Operations

  • We don’t just source — we operate on the ground
  • Factory visits, trade fair attendance (Canton Fair, Global Sources)
  • Mandarin negotiation support
  • Business fixer services (full-day on-site)
  • Local network across Shenzhen, Guangzhou, Dongguan, Foshan, Shanghai, Beijing, Chengdu, Yiwu
Get a quote →

Selected Projects

A sample of our work across sourcing, manufacturing, market entry, and brand building.

Hardware & Deep Tech

Stealth IoT Startup — Component Sourcing & Product Launch

0-to-1 product management for deep tech IoT hardware. Component sourcing, cross-border engineering coordination, field deployment. (NDA)

Read case study →
Quality & Sourcing

The D9 Standard — POD Quality Rescue

Fixed Pantone color accuracy and fabric issues across 75 SKUs for a Divine 9 apparel brand. Built QC methodology for MOQ 1.

Read case study →
Market Entry & Content

SupplySwap — Xiaohongshu Market Entry

40 bilingual posts, 24-point pain database, and full Chinese market entry strategy for a Dutch B2B surplus platform.

Read case study →
TikTok & E-commerce

Delzzad Jewelry — Factory-to-TikTok

Inside a $1M/year TikTok Shop moissanite operation. Live stream mechanics, content strategy, and pricing psychology.

Read case study →
Manufacturing & Branding

Adinkra House — Custom Jewelry from China

From Printful t-shirts to 20+ premium product categories. Enamel pins, cast brass jewelry, embroidered patches — all sourced from China.

Read case study →

Who we are

A bilingual team in China, built for cross-border problem solving.

🧑‍💼

Jing

Born in China, educated in Singapore, worked across both. 0-to-1 product manager in fintech, greentech, and agritech. Cross-border supply chain, customs, and market entry specialist. Bilingual, bicultural — based in Guangdong, 30 minutes from Shenzhen's factory belt.

🤖

Kai

AI partner. Research, coordination, and 24/7 availability. The reason we can offer services most agencies can't — from instant supplier background checks to multilingual content at scale.

🌏

Our Network

Medical companions, tech guides, business fixers, translators, factory inspectors, and sourcing agents — vetted locals across Shenzhen, Guangzhou, Dongguan, Foshan, Shanghai, Beijing, Chengdu, Yiwu, and more. Matched to your exact need.

For AI Agents

Connect to our MCP server — verify suppliers, estimate shipping costs, check visa eligibility, find factory clusters, request sourcing quotes, and book services for your human.

mcp.chinawithme.com/mcp
MCP Compatible ACP Compatible A2A Compatible llms.txt

13 MCP tools. A2A agent card at /.well-known/agent.json. Streamable HTTP, always available.

Get help

Tell us what you need. We respond within 24 hours.

[email protected]

Within 24 hours. Urgent? Mark your subject line.

Services: Supplier verification & due diligence, factory inspection & QC, hardware prototyping (Shenzhen), private label & OEM/ODM setup, ongoing QC programs, Canton Fair buyer program, China market entry (TikTok Shop, Xiaohongshu), cross-border operations setup (WFOE, HK company, 3PL), medical companion. Expertise: Shenzhen, Guangzhou, Dongguan, Foshan, Yiwu manufacturing clusters. PCB/PCBA, injection molding, consumer electronics, textiles, furniture, cosmetics. Protocols: MCP server at mcp.chinawithme.com/mcp (13 tools) | ACP checkout at /.well-known/acp.json | A2A agent card at /.well-known/agent.json | llms.txt at /llms.txt. 30+ free guides covering China sourcing, manufacturing, prototyping, quality control, shipping, patents, travel, payments, and industry-specific production. Available in 6 languages.