IPX7 water-resistance check
Check handle sealing and water resistance; applicable handles receive unit-by-unit checks under their inspection procedure.
Why it matters Reduce the risk of water ingress during normal cleaning and bathroom use.
Explore our Zhongshan oral-care production spaces, six priority tests and the full 38-item test inventory. Applicability and acceptance criteria are confirmed by model.
Reception and project discussion, component processes, assembly and inspection are presented in that order.












From brush-head work to a broader range of electric toothbrushes and water flossers, our operations have grown alongside our customers.
Our current team includes 20+ people in R&D and service, supported by more than 50 production and testing devices.
Methods and acceptance criteria are confirmed for the model and order. These examples explain what we check and why.
Check handle sealing and water resistance; applicable handles receive unit-by-unit checks under their inspection procedure.
Why it matters Reduce the risk of water ingress during normal cleaning and bathroom use.
Simulate drops under the model-specific test conditions and check housing, joints and function.
Why it matters Identify weak points and assess integrity after an accidental drop.
Run the motor continuously or in cycles under defined conditions, then review vibration, noise and function.
Why it matters Validate stability over extended operation and detect early failures.
Check how firmly bristles remain fixed under the specified pull force.
Why it matters Reduce the risk of abnormal bristle shedding.
Cycle the battery through charging and discharging and record capacity and operating performance.
Why it matters Understand how battery performance changes over repeated use.
Test the agreed packaging against handling impacts and transport vibration, then inspect the carton, insert and product.
Why it matters Validate package protection and reduce transit-damage risk.
This is our test inventory across the relevant product platforms. The applicable items, frequency, method and acceptance criteria depend on the exact model and configuration.
These compact previews identify the document type. Archived items are labelled. Request current formal documents for your exact product and target market.






Factory walkthroughs and product discussions with visiting clients.




