PT SERAI BUMI KUARSA

PT Serai Bumi Kuarsa is a mining company based in West Kalimantan, Indonesia, specializing in the production and export of high-purity silica sand. Our premium product contains up to 99.74% SiO₂, meeting international industry standards. Supported by abundant reserves and a sustainable production system, we are able to serve large-scale demands across industries such as glass manufacturing, ceramics, metal casting, water purification, construction, and semiconductors. Product quality is consistently verified through accredited laboratories such as Sucofindo. PT Serai Bumi Kuarsa welcomes long-term collaboration, whether through bulk material supply, investment partnerships, or joint operation schemes. With an export capacity of up to 3 million tons per year, we are ready to become your strategic partner in the global silica supply chain