The first Kai It plant in HK on the right at 6 Ma Tau Kok Road in 1956. The firefighters were trying to put out the fire at the Kwong Man Loong Firecracker Factory next door.
https://industrialhistoryhk.org/from-chaoan-to-hk-kai-it-battery-factor…
The policemen was looking north along Pak Tai st. One can see the battery plant at the Ma Tau Kok Road-Pak Tai st junction. A man standing on the roof was looking at the firecracker factory on fire behind the battery plant.
A 1965 map
A 1977 advertisement for that Kai It Battery
Date picture taken
1956