Data resource: Asian Directories & Chronicles, Year 1904
Locations: Batang Padang, Perak
Data resource: Asian Directories & Chronicles, Year 1936
Locations: Haiphong
Data resource: Asian Directories & Chronicles, Year 1941
Locations: Haiphong
Data resource: Asian Directories & Chronicles, Year 1935
Locations: Haiphong
Data resource: Asian Directories & Chronicles, Year 1931
Locations: Haiphong
Data resource: Asian Directories & Chronicles, Year 1925
Locations: Kuala Lumpur
Data resource: Asian Directories & Chronicles, Year 1925
Locations: Haiphong
Data resource: Asian Directories & Chronicles, Year 1926
Locations: Kuala Lumpur
Data resource: Asian Directories & Chronicles, Year 1926
Locations: Haiphon
Data resource: Asian Directories & Chronicles, Year 1938
Locations: Haiphong