Syarikat yang berdaftar di Singapura: 16 Disember 1957

2 syarikat

ONG BOON SENG PRIVATE LIMITED Kod pendaftaran: 195700177G Alamat rasmi: 10 COLLYER QUAY, #21-01, OCEAN FINANCIAL CENTRE, 049315, Singapore

KEONG HING COMPANY PRIVATE LIMITED Kod pendaftaran: 195700178W Alamat rasmi: 42D SOUTH BRIDGE ROAD, 058676, Singapore