Managing director Tung Eng Hai said the group is expanding to meet rising demand for cables and wires, while supporting Malaysia’s development through projects in power utilities, renewable energy, construction, infrastructure, and data centres.

https://www.thestar.com.my/business/business-news/2025/10/14/southern-cable-to-raise-up-to-rm259mil-for-capacity-expansion

The expansion aims to meet rising demand for high-voltage cables from Tenaga Nasional Bhd (TNB) and data centres, while supporting the group's entry into the extra-high-voltage cable segment, a niche market currently without a domestic producer.
https://www.nst.com.my/business/corporate/2025/10/1294939/southern-cables-expansion-backed-tnb-data-centre-demand

No, a stock split does not directly bring in new funds because it doesn't change the company's total value. It simply increases the number of outstanding shares while proportionally lowering the price per share, similar to cutting a pizza into more slices. Private placement for expansion is the correct way.