1. high-level standard (e.g. meet the REACH certificate)
2. different size meet different need
3. portable handle design
4. detachable safety guard
5. metal latch device
6. unqiue model design to give an opportunity for difference selling

1. high-level standard (e.g. meet the REACH certificate)
2. different size meet different need
3. portable handle design
4. detachable safety guard
5. metal latch device
6. unqiue model design to give an opportunity for difference selling