J.S. STEEL PRODUCTS CO., LTD. gives top priority to high quality products, beginning with a careful selection of raw materials along with the right chemical composition through
the sophisticated mechanics techniques and state-of-the-art manufacturing technology. Every stage of the production process is strictly monitored in order to ensure the high quality
products that meet all kinds of construction meeds. Therefore, our high quality products under "JS" brand are certied by The Thai Industrial Standard (TIS) 20-2543 and 24-2548,
together with certied ISO 9001 and ISO 14001.