Technical Contact for Door Systems and Vehicle Engineering Projects
TLG SYSTEMS supports bus, minibus, midibus and commercial passenger vehicle projects with door systems, control units, electric motor solutions and vehicle engineering services. Please contact the relevant department so that your request can be reviewed correctly.
Send your request to the right technical contact.
For quotation, project feasibility, technical documentation, door system integration or vehicle engineering support, please include the vehicle type, chassis information, target market, required door configuration, expected quantity and project timing where available.
General Contact
For general enquiries, partnership requests, supplier contact and first project discussions.
info@tlg-systems.comContact the correct department for faster technical review.
Select the most relevant contact address according to your request. This helps us route your enquiry to the correct technical or commercial responsibility.
Sales & Quotation
Door systems, control units, electric motors, mechanism sets and project-based commercial enquiries.
sales@tlg-systems.comEngineering
Vehicle feasibility, layout engineering, door integration, technical scope and project requirements.
engineering@tlg-systems.comDoor Systems
Single-leaf, double-leaf and sliding door system enquiries for different vehicle projects.
doorsystems@tlg-systems.comVehicle Engineering
Chassis feasibility, seating layout, packaging, weight calculation and technical documentation support.
vehicleengineering@tlg-systems.comProcurement
Supplier communication, component sourcing, material offers and purchasing-related correspondence.
procurement@tlg-systems.comAfter Sales & Support
Spare parts, service coordination, technical support and after-sales communication.
aftersales@tlg-systems.comCompany Information
What to include in your enquiry
To support a faster technical review, please send the available project information together with your request. Early-stage enquiries are also welcome, even if the full technical package is not yet completed.
- Vehicle type and target market
- Chassis brand and wheelbase
- Door type and entrance width
- 12V / 24V electrical requirement
- Estimated annual quantity
- Required delivery timing
- Available drawings or photos
- Relevant regulation target
Select the correct e-mail address according to your request.
Use the table below to route your request to the most relevant contact point.
| Request Type | Recommended Contact | Typical Scope |
|---|---|---|
| General company contact | info@tlg-systems.com | First contact, company introduction, partnership and general communication. |
| Quotation and commercial request | sales@tlg-systems.com | Pricing, quantities, delivery scope, product selection and commercial terms. |
| Door system technical enquiry | doorsystems@tlg-systems.com | Single-leaf, double-leaf, sliding door, control unit and mechanism integration details. |
| Vehicle engineering project | vehicleengineering@tlg-systems.com | Packaging, seating layout, chassis feasibility, weight calculation and technical documentation support. |
| Supplier and purchasing contact | procurement@tlg-systems.com | Supplier offers, technical purchasing, component sourcing and material communication. |
| Service and after-sales support | aftersales@tlg-systems.com | Spare parts, service support, field feedback and after-sales coordination. |
Need project-specific technical support?
TLG SYSTEMS can review door system requirements, vehicle packaging constraints and engineering targets project by project according to the available technical information.