16 A Pro extension cord
Accept 16A max,
All plugs in China are rated for 10A max only.
The one for 16A are usually on air conditioning system and larger. They are actually a larger shape, so it’s not obvious at first look.
For lighting HMI when you arrive into a factory with the rel 16A plug, our system is the only way to safely power your lighting
Many available, other length too.
In Hong Kong; the power plug system is different and all household are 16A rated.