RSM is one of the leading producers of round and deformed bars, wire rods and galvanized steel sheets and coils in conformance with Thai Industrial Standards (TIS), Japanese Industrial Standards (JIS) and The American Society for Testing and Materials (ASTM) which are well accepted by the consumers both lacal and overseas.
In addition, RSM erected 160,000 metric tons of yearly production of continuous galvanizing line with the new technology of skin pass and zero spangle process from Nippon Steel Corporation which is worth 757 million baht.