| 1979 | Pui Hing Company established by Mr. So Ma Ting |
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| 1979-84 | Provided sub-contractor services for all transmission cable trenching works by Nishimatsu at HEC’s Lamma Island Generation Plant |
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| 1984-86 | Registered as a Main Contractor by HEC’s T&D section. |
| Established a project team for 132kV Cable Routing |
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| 1988 | Managed and constructed a 400kV transmission project for CLP |
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| 1993 | Pui Hing Construction Co. Ltd. incorporated |
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| 1993-94 | Established a project team for reclamation roadworks (WHT) and 275kV Cable Routing (HEC) |
| Fame Rich Co. Ltd. registered on HEC’s vendor list for equipment and metal-ware recycling |
| Approved as a contractor by Swire Properties Management Ltd. |
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| 1995-99 | Constructed and managed a landside infrastructure and roads and drainage project for AA |
| Achieved ISO9000 Quality System certification (1996) |
| Approved by the Works Bureau as a Roads & Drainage Category contractor for public works |
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| 2000-01 | Established Pui Hing Building Co. Ltd. to specialise in telecommunications networks |
| Registered as an MTRC supplier |
| Registered as an i-Cable WTT contractor |
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| 2002 | Quality System upgraded to ISO9000 2000 version |
| Registered as an HLD contractor |
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| 2003 | Established Pui Hing Technology Co. Ltd. for block wiring and data network services. |
| Became an authorised network installer / integrator for TGT |
| Became an authorised KRONE Integrated Structural Solutions services provider |
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| 2004 | Established the Pui Hing Group Ltd. to integrate subsidiary companies and provide a wider range of services to clients |
| Registered as an approved contractor by HKBN |
| Managed and constructed cast-in-place (CIP) pipe-replacement projects for TGC |
