01
Machine type
RTG, reach stacker, mining truck, beam carrier, bus, motorcycle.
Tell us what you need to monitor
The more specific the first message, the more useful the first reply. Vehicle type, wheel count, interface and target quantity are enough for us to come back with a configuration.
Inquiry form
Direct contact
| Contact person | Zhang Yueming |
| Email (primary) | ralph@gzvia.com |
| Email (sales) | sales@gzvia.com |
| Phone / WhatsApp | +86 186 7676 2051 |
| Address | Shenzhen, Guangdong, China |
| Website | www.gzvia.com |
Response time
Technical inquiries are answered by an engineer, normally within one working day (GMT+8). If it is urgent, put the machine model in the subject line.
Messaging apps
WhatsApp is available on the number above. LinkedIn and WeChat can be provided on request — they are not published here until the accounts are finalised.
Email deliverability
If our reply has not arrived within two working days, check the spam folder or write to the second address — corporate filters are unpredictable.
Before you write — four things that speed it up
02
Wheel count
Determines receiver count, repeaters and total sensor quantity.
03
Target interface
CAN, RS485, Profinet, RS232, Modbus RTU, BLE or cloud API.
04
Market & certificates
Destination country, required certification, units and language for labels.