[Edaily Reporter Kwon Oh Seok ] SG CO., LTD.(255220)is accelerating its push into the semiconductor infrastructure market by serving as the sole supplier of all asphalt concrete for the construction site of SK hynix’s Yongin Advanced System Semiconductor Cluster.

SG CO., LTD. announced on the 8th that it is the sole supplier of asphalt concrete to the SK hynix Yongin Cluster site. The company is also expanding its presence in the infrastructure market for major semiconductor production bases by promoting the use of its eco-friendly product, “EcoSteel Asphalt,” at SamsungElectronics’ P5 semiconductor plant on the Pyeongtaek Campus.
SK hynix’s Yongin Advanced System Semiconductor Cluster is a national strategic project with a total investment of 122 trillion won; it is South Korea’s largest semiconductor production base, expected to generate hundreds of trillions of won in production-induced economic effects. As large-scale infrastructure construction gets underway in earnest, ensuring a stable supply of high-quality construction materials has emerged as a key challenge.
SG CO., LTD. explains that it has been recognized for its quality competitiveness and on-site technical support capabilities since participating in the project from its early stages. Building on this, the company is playing a role as a stable supply chain partner in the infrastructure construction of this key semiconductor production complex.
The company conducted a trial paving of EcoSteel Ascon at the P5 site on SamsungElectronics’ Pyeongtaek Campus from the 15th to the 17th of last month. SAMSUNG C&T CORPORATION was responsible for construction and quality control, while the supervision team and SG CO., LTD. technical and sales personnel inspected the entire process. This trial was conducted to comprehensively verify workability, durability, and quality in an actual construction environment.
According to the company, the test results showed that EcoSteel Asphalt demonstrated excellent performance across all key quality indicators, including density, compaction, and stability. In particular, its durability was approximately 4.5 times higher and its service life approximately 2.3 times longer than that of conventional asphalt.
Its cost-effectiveness was also confirmed. A 30-year life cycle cost (LCC) analysis showed that maintenance costs per unit area were reduced by approximately 40.8% compared to conventional asphalt, with expected cost savings of approximately 16.1 billion won based on the P5 site.
Environmental performance is also cited as a key strength. EcoSteel Asphalt is evaluated as a paving material suitable for semiconductor production facilities requiring ultra-fine processes, as it reduces fine dust by 85.7% compared to conventional asphalt.
SG CO., LTD. stated, “Based on our track record as the sole supplier to the SK hynix Yongin Cluster and our efforts to implement the product at SamsungElectronics’ P5 site, we plan to expand our business into major domestic semiconductor and high-tech industrial infrastructure projects.”