01 / Incoming materials1
Incoming materials
Driver, cable and housing checked before assembly
Before assembly
Factory & QC
Inside Our Factory & Quality Control
Our factory in numbers (as published on our Alibaba store): 5,000-10,000 sqm factory in Songgang, Shenzhen · 6 production lines · 201-300 employees · R&D team of 11-20 people · annual output value US$10-50 million.
Our factory in numbers
Our Factory in Numbers
Figures as published on our Alibaba store.
- 5,000–10,000 sqm
- Factory
- 5,000-10,000 sqm factory in Songgang, Shenzhen.
- 6
- Production lines
- Six production lines.
- 201–300
- Employees
- 201-300 employees.
- 11–20
- R&D team
- R&D team of 11-20 people.
- US$10–50 million
- Annual output value
- Annual output value US$10-50 million.
On the floor
Real photos from our factory
Photos on this page are our own: production line, testing, packing and warehouse.
Quality control
How we check earphones (every batch)
Batch-by-batch checks on materials, sound, microphone, buttons, appearance and packaging, with a final random carton inspection before shipment.
02 / In-process2
In-process
Soldering, assembly and glue/fit inspection on the line
On the line
03 / Function test3
Function test
Left/right channel and balance, sound quality, microphone, remote buttons
Sound · mic · buttons
04 / Type-C & Bluetooth4
For Type-C/Bluetooth models
Connection and compatibility spot checks
Spot checks
05 / Appearance & packaging5
Appearance & packaging
Surface, logo position, accessories count, manual, barcode, retail box
Retail box
06 / Final6
Final
Random carton inspection before shipment; defective units are pulled, not shipped
Before shipment