Contact Our
Factory Team
Ready to discuss your wireless calling system requirements? Our engineering team is here to support your B2B project from concept to production.
Core Contact Information
Phone
+86 19529999775
Business Hours: 9:00-18:00 (GMT+8)
windy@tzgtech.com
Primary contact for inquiries
Factory Address
Chongqing, China
Manufacturing & R&D Center
Emergency Communication
Factory Location
Chongqing Manufacturing Hub
Strategic location for Asia-Pacific distribution
For detailed factory address, please contact us directly
Send Your Inquiry
Tell us about your project requirements and we'll get back to you within 24 hours
Cooperation FAQ
Common questions about working with TZGTECH
Q What is your MOQ (Minimum Order Quantity)?
For existing products: 100-500 units depending on the model. For OEM/ODM projects: typically 1,000+ units for custom hardware. We can discuss flexible arrangements for initial testing and market validation.
Q What certifications do you provide?
We support CE, FCC, IC, and other regional certifications based on your target markets. Our products comply with wireless communication standards and safety regulations. Certification support is included in OEM/ODM projects.
Q What are your typical lead times?
Existing products: 7-15 days for stock items, 15-30 days for custom branding. OEM/ODM development: 30-90 days depending on complexity. Mass production: 15-45 days after order confirmation.
Q Do you provide samples and prototypes?
Yes, we provide samples of existing products for evaluation (sample fee + shipping). For OEM/ODM projects, we create prototypes during development phases. Sample costs can be deducted from bulk orders.
Still Have Questions?
Our engineering team is ready to discuss your specific requirements and provide detailed technical consultation.