I combined today both names at the database under the name Wellson Chin.
I had enough evidences that Chin Leung was Wellson Chin's name at his time at Sammo Hung's movie companies.
I add soon images to Wellson Chin.

from inspector wears skirts

from naughty boys[/img]

from return of the lucky stars

Thanks. I added today the images to Wellson Chin.