CH. Karnchang Public Company Limited (SET: CK) announced on Thursday that it has signed as the Contractor in the Contract for maintenance and improvement of the structures and system works of the Si Rat Expressway, the Si Rat – Outer Ring Road Expressway and the Udon Ratthaya Expressway with Bangkok Expressway and Metro Public Company Limited as the Employer. The estimated contract value is THB1,078,094,260 (excluding value-added tax), with an approximate operational duration of 17 months.
