CH. Karnchang explained

CH. Karnchang Public Company Limited
Native Name:	บริษัท ช.การช่าง จำกัด (มหาชน)
Founder:	Plew Trivisvavet
Hq Location:	Bangkok, Thailand
Subsid:	Bangkok Expressway and Metro CK Power Public Company Limited Thai Tap Water Supply

CH. Karnchang Public Company Limited (CK,) is a Thai contractor and construction firm, operating in Thailand and Laos.^{[1] [2]} The second-largest construction firm in Thailand, CH. Karnchang was founded in 1972 in Bangkok, by Plew Trivisvavet and his four brothers.^{[3] [4]} Supamas Trivisvavet became president and CEO in 2015.^{[5] [6]}

Bangkok rail transit

CH. Karnchang has constructed various metro lines in Bangkok. In 2024, CH. Karnchang was awarded the tender to conduct design and civil works for the MRT Orange Line's western extension.^[7]

CK Power PCL

CH. Karnchang's power generation subsidiary, CK Power PCL, constructs and operates a variety of renewable energy projects.^[8] CK Power has constructed dams on the Mekong River in Laos, including the Nam Ngum 2 Hydroelectric Power Plant and the Xayaburi Dam.^{[9] [10]}

References

1. News: Praiwan . Yuthana . 2022-04-11 . CKP to build hydropower plant near Luang Prabang . 2024-10-09 . Bangkok Post . en.
2. Web site: Kyozuka . Tamaki . 2014-01-09 . CK's Supamas . 2024-10-09 . Nikkei Asia . en.
3. News: Praiwan . Yuthana . 2013-06-20 . The next generation . 2024-10-09 . Bangkok Post . en.
4. News: 2015-02-27 . Builders eye rebound vs foreign rivals . 2024-10-09 . Bangkok Post . en.
5. News: Apisitniran . Lamonphet . 2018-06-29 . Heirs aim to carry the torch . 2024-10-09 . Bangkok Post . en.
6. Web site: 2019-04-30 . Ch Karnchang focused on bidding for large projects both at home and abroad . 2024-10-09 . nationthailand . en-US.
7. Web site: 2024-07-28 . BEM expects permission soon to enter MRT Orange Line’s west side . 2024-10-09 . nationthailand . en-US.
8. Web site: 2012-08-29 . Dammed rivers – DW . 2024-10-09 . dw.com . en.
9. News: Praiwan . Yuthana . 2022-09-06 . CKP seeks to double capacity by 2024 . 2024-10-09 . Bangkok Post . en.
10. Web site: 2021-07-27 . Xayaburi Power explains the flow rates of Mekong are affected by Tropical Storm Cempaka . 2024-10-09 . nationthailand . en-US.