Technical Support
Home >> Technical Support
What is the Midwifery Airbag?
Midwifery airbag is a type of airbag placed in the cervix, which can help the mother to expand the cervix, and it can help the contraction of the uterus. The uterus contracts quickly and can significantly reduce delivery time. Mother's pain will also be reduced a lot. And the baby will have less...
The Common Defects and Reasons of Co-injected Waterproof Mobile Phone Pluger
The mobile phone pluger plays a key role for water resistant smartphones. Some manufacturers choose to use sealing o rings, while the performance and the processing are instable. So more and more factories prefer co-injected plugers. Here are commone defects and reasons according to our experien...
What is medical silicone duckbill valve?
Duckbill valve is a non-return one way check valve, used to prevent liquid back flow. This medical duckbill valve is for gastric surgery medical device, with external diameter of 6mm, and the offset tolerance of slit cut is control within plus 0.02mm to minus 0.02mm.
Yejia Optical FAQ
FAQ