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Welcome to Sin Seng Guan & Co, a company dedicated to delivering value and quality to our clientele. We specialize in providing

Sin Seng Questions

The Sin Seng annual revenue was $1 million in 2026.

1 people are employed at Sin Seng.

The NAICS codes for Sin Seng are [31, 31491, 3149, 314910, 314].

The SIC codes for Sin Seng are [23, 239].

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