Contact Us
Talk to an O-Leading Engineer Today
Whether you need a quick quote, a free DFM review, dedicated engineering support, or order and logistics tracking — our team responds to every inquiry within 24–48 hours on working days. Each request is handled by one dedicated engineer from the first message to final delivery.
Our support team is backed by an engineering-first manufacturing organization, so every answer you get is grounded in real production capability. This foundation means:
- Quick quotes on every inquiry
- Free DFM review before build
- 1:1 dedicated engineer, start to finish
- Order & logistics tracking any time
Contact Information Reach Our Team DirectlyEvery inquiry is answered by a dedicated representative during working hours (GMT+8, Mon–Sat 9:00–18:00).
🏠 Head Office 1004–1005, Floor 10, Wisdom Building, Donghua Road Middle, Danshui Town, Huiyang District, Huizhou, Guangdong, China 🏭 Factories PCB — Huizhou, Daya Bay · SMT+DIP — Shenzhen, Guangming · Assembly — Shenzhen, Songgang 🌍 Italy Office Corso Liguria 6, 10078 Venaria Reale, Turin, Italy | |
Our Locations Find Us Around the World Head Office Huizhou, Guangdong, China ▸ Factories Daya Bay · Shenzhen, China ▸ Italy Office Venaria Reale, Turin, Italy ▸ | USA Brazil Russia China India France Australia Head Office & Factories Italy OfficeHEAD OFFICE — 1004–1005, Floor 10, Wisdom Building, Donghua Road Middle, Danshui Town, Huiyang District, Huizhou, Guangdong, China · sales@o-leading.com |
How May We Help You?We welcome your questions and feedback. Fill out the form below — every inquiry is answered within 24–48 hours on working days. | Welcome to Contact UsWe’d love to hear from you — by phone, email or WhatsApp, any time during working hours. |
Ready to Get an Instant Quote?
Send us your Gerber and BOM files, and receive a detailed quote within 24–48 hours on working days — or talk to us right now.

