Trusted Global Partner for Reliable
Export & Import Solutions
Refractory Specialist for Heavy Industry.
PT Sigma Mitra Sejati began as a company focused on refractories, serving the needs of refractory materials for various industrial sectors.
Shaped & Unshaped Refractory Production.
The company began producing shaped and unshaped refractory products widely used in the steel, cement, glass, aluminum, ceramics, and related industries.
EPC & Integrated Industrial Procurement As The Company Grew.
PT Sigma Mitra Sejati expanded its business into civil, mechanical, and electrical construction services, covering EPC (Engineering, Installation, Service, Maintenance) and the procurement of industrial goods and spare parts.
Export-Import Trading of Materials & Steel Industry & Services.
PT Sigma Mitra Sejati develops the export-import trading business of the material and steel industry, covering various strategic steel products that also support market consulting services, purchasing strategies, logistics management, and raw material supply.

We operate a range of integrated business lines encompassing industrial services, export-import trading, and supply chain support solutions, to meet our customers’ comprehensive needs.

Maintenance Refractories, Insulation & Electrical, Mechanical, Engineering, Civil, & Labour Supply

Export-import trade services for material and steel industry

Market Consulting, Purchasing Strategy, Logistic Management, Raw Material Supply
Trusted by 4,000+ leading companies

PT Sigma Mitra Sejati supplies a variety of steel products through its import-export trading activities, including flat and long steel products for industrial, construction, and manufacturing needs. All products are sourced through a network of trusted suppliers with specifications that meet industry standards.

We Connect The World –
Beyond The Miles.
Worldwide Trade Solutions
Krakatau Steel Group