How Your Vendor Produce Hearing Aid Amplifiers
Raw Component
We get key components from our supplier, our cooperated supplier includes Knowles, Intricon, and ONSemi.
Soldering
Operators sold components together on main circuit board.
Assembling
Based on assembling guideline, operators need to put all components inside the hearing aid case.
Testing
Visual check + Electronic test + Listening test
Hearing Aid Amplifiers Production Process
Purchasing
- After receiving the order, sales will input the order info in ERP (Enterprise Resource Planning) system and then each department will cooperate according to the ERP.
Incoming Material Quality Control
- When the supplier delivers the goods, the IQC department first judges whether the materials are qualified according to the inspection standard. If not, the materials will be rejected.
Welding & Assembling
- After the production department receives the materials, it starts welding with microscope and assembly. The welding requires the operator’s experienced skill and pricise operation. It takes about 2 months for a green hand to master the skill.
Final Quality Control-Electronic Test
- The Fonix machine make sounds, and connected to the hearing aid microphone, then we could see if the hearing aid meets the standard based on the output performance shown on the Fonix screen.
Final Quality Control-Listening Test
- The tester simulates that the user wears a hearing aid, detects whether the gain is sufficient, whether there is a howling/feedback, whether the sound will be broken, and so on.
Packaging
- Packaging is mainly to ensure the integrity of the goods during shipment, our packaging staff always carefully pack goods.
Outgoing Quality Control
- After the goods are packed, OQC will conduct random inspection according to AQL standards. OQC will also check the performance of hearing aid.
Shipping
- The goods will be shipped out when OQC is completed. Customers could choose the forwarder you prefer, DHL/TNT/UPS/ by air.
