We are the 1st Menufacturer of Super Coal in THAILAND.

Ohki Sangyo’s Loyalty to the technology

Since establishment we have been specializing in research and development of graphite products.

We offer products focusing on the ecology to the next generation’s nanotechnologies on the basis of these technology and knowhow fostered over the years

Ohki Sangyo’s Loyalty to the technology

Since establishment we have been specializing in research and development of coal for castings

, high-purity carbon,manufacturer and sale of precision equipments

From the quality control of the production process to the exquisite workmanship we have super coal,
fine coal for your manufacturing process!