Review
STH checks product identity, location, safety status and requested work.
Service Request
Submit product identification, location and service requirements. Scope, availability, charges, transport and appointment details are confirmed separately.
Send a Request
Request Product Service
A request is not an appointment until STH confirms the scope, location, timing and applicable charges.
Service Process
What happens after a request
Clarify
The team may request labels, photographs, records or safe observations.
Confirm
Available service route, estimated scope, timing and charges are communicated.
Service & Record
Authorized work is completed and the outcome is recorded.
Helpful Answers
Frequently Asked Questions
Is service free during warranty?
Not automatically. Warranty coverage and service charges depend on the product-specific terms and claim assessment.
Can a technician visit anywhere in Bangladesh?
Availability depends on location, service network, product and current capacity. The team will confirm the available route.
Should I transport a damaged battery?
Do not transport a damaged or suspected-damaged lithium battery as ordinary goods. Request safe handling instructions first.
AFTER-SALES COMMITMENT
24-Month After-Sales Service
Subhanallah Trade House provides 24 months of after-delivery service support for eligible products. Our technical service team is supported by a Chinese engineer based in our office, helping us handle diagnosis, technical guidance and complex service cases with direct engineering support.
24 Months
Structured after-delivery service support under the applicable product and service terms.
Chinese Engineer
An engineer from China is based in our office to strengthen technical diagnosis and service quality.
Local Technical Team
Customers and dealers have a local route for service requests, technical checks and follow-up.
Recorded Service
Service requests can be tracked through the STH support process from issue intake to resolution.