About KUONGSHUNEstablished in 1988, KUONGSHUN is a thriving technology company dedicated to open-source hardware research & development, production, and marketing. Located in Shenzhen, the Silicon Valley of China, we have grown to over 100+ employees with a 1500m³ office and 10,763m³ factory.Why choose us1. 30+ years experiences with own brand "KUONGSHUN"2. Factory Wholesale Price, Self-produced products3. Full range of products(Total 5000+ items, including Arduino 3000+, Raspberry pi 1000+, 3D printer 1000+)4. Gold Supplier Factory verified by Alibaba(https://youtu.be/xcEqNhRhVIA)5. Five-star reviews from customers.6. 100% test by 5 QC before shipping7. Fast delivery (1-3 days lead time)8. Adequate stock and Strong production capacity (1500m³ warehouse,40+ packers)9. Trial order accepted(no MOQ requirement )10. Customized service (OEM & ODM)11. Technical support.(13 Technicians)12. Professional and enthusiastic team ( Sales 20+)13. Annual exhibition (Canton Fair, Hongkong Fair)KUONGSHUN sales is here to help you anytimeShop: www.kuongshun.com/Web: www.kuongshun-ks.com/