Ong Guan Seng Contractor is a Singapore company, located in HDB Choa Chu Kang 355 Choa Chu Kang Central #10-381, Singapore 680355. more detail is as below.
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Ong Guan Seng Contractor is a Singapore company, located in HDB Choa Chu Kang 355 Choa Chu Kang Central #10-381, Singapore 680355. more detail is as below.
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