Help Center
Service routes that feel as clear as the rest of the storefront.
This page is organized like a service dashboard: quick contact options first, high-confidence answers next, and a direct handoff to a real person at the end.
Business inquiries and order follow-up are handled by direct contacts.
Responsible contacts and company address stay visible in every section.
Common product, shipping, and warranty questions are grouped below.
Choose the fastest support path
Primary contact
Longzhong Yang · General Manager
Availableyangzhong@sunbertech.com · +86 139 2847 3866
Call contactSales contact
Sales Team · Business Contact
Availablesales02@sunbertech.com · +86 135 0963 2986
Chat on WhatsAppCompany address
SHENZHEN SUNBER TECHNOLOGY CO., LTD
AvailableCompany information aligned with the contact records managed in the backend.
View companyService flow
From first inquiry to direct business follow-up.
Share the issue clearly
Send the order number, product model, and a short note so the team can route the request immediately.
Get a direct follow-up
Product support, delivery checks, and warranty questions are answered through one coordinated desk.
Close the loop fast
If the issue needs a replacement, quote, or manual confirmation, the next action is made explicit.
Help Topics
Browse the main service categories before reaching out.
Order and shipping
Track delivery progress, shipping exceptions, and order status updates.
Explore topicProduct compatibility
Confirm the right product model, usage range, and replacement recommendations.
Explore topicWarranty and after-sales
Start warranty communication and prepare the details needed for quick follow-up.
Explore topicFrequently Asked Questions
High-frequency questions are surfaced first for faster self-service.
Featured answer
How fast can I expect a support reply?
Most email and order-related questions are answered within one business day.
Answers here cover the questions customers usually ask before they need direct support.
FAQ
What should I prepare before contacting support?Please provide the order number, product model, and a short description of the issue so the team can respond faster.
FAQ
Can I ask about bulk or wholesale orders here?Yes. Email is the best route for bulk orders, partner communication, and quote requests.
Get in Touch with Us
Reach the responsible business contacts directly, with company name and address kept visible for reference.
Direct Contact
Need the right business contact right away?
Contact Sunber directly for sourcing requests, quotations, product communication, order follow-up, and company cooperation.
Prepare the product requirements or order details first so the responsible contact can reply faster.
Longzhong Yang
General Manager
+86 139 2847 3866
yangzhong@sunbertech.com
Sales Team
Business Contact
+86 135 0963 2986
WhatsApp: +86 185 7736 1449
sales02@sunbertech.com
SHENZHEN SUNBER TECHNOLOGY CO., LTD
4th Floor, No. A-5 of Nanbiantou Industrial Park, Dongfang Community, Songgang Subdistrict, Baoan District, Shenzhen

