So far a short-term treatment has been focused on the repair and maintenance of road(asphalt concrete), bridge structure due to lack comprehensive systematic methods in carrying out those works.Our company, Roadseal not only contributing national economy ...

The outstanding performance of POLY TETRA FLUORO ETHYLENE is being evaluated as exceptional in all industries since its birth, for one half century. Especially, it has been widely applied to advanced industries.HAN YANG CHEMICAL CO., LTD. Began with the ...

Through research and analysis, we provide suitable solutions to our customers’ demand. Our uncompromising insistence on quality leads relentless product development renovation, thereby producing only the premium products.We believe that marketing ...