Contact Us
Get connected within 24 business hours
SIWINN TECHNOLOGY CO., LTD.
📍 ADDRESS
No.1113 Internet Building,
High-Tech Industrial Development Zone,
Dongtai City, Yancheng,
Jiangsu Province 224200, China
📱 WHATSAPP / PHONE
+86-18752219771
🕐 BUSINESS HOURS
Mon–Fri: 9:00 AM – 6:00 PM
Sat: 9:00 AM – 1:00 PM
China Standard Time (GMT+8)
Quick Access
Direct links to our trading platforms and digital solution
🌐 ALIBABA INTERNATIONAL
🏷️ DIGITAL ASSETS (NEW)
🇨🇳 1688 STORE (CHINA)
Get a Custom Quote
Reach us via email or WhatsApp — we’ll respond within one business day with a detailed quote.
When you contact us, please share:
- 📋 Project type (CNC parts / Sheet metal / Asset tags / Custom)
- 📐 Drawings or specifications (PDF / STEP / DWG)
- 📦 Estimated quantity
- 📅 Target delivery date
- 🌍 Destination country
What can we help you with?
⚙️
Custom Metal Components
CNC / Sheet Metal / Die Casting
💻
ICT Hardware
Server Chassis / Heat Sinks
🏷️
Asset Digital ID
QR Tags + SaaS (SiwinnTag)
🔋
New Energy
Battery Frames / Solar