JIASHAN LISAN METAL PRODUCT CO.,LTD IS MAINLY MANUFACTURER OF THREADED ROD IN CHINA.THE PRODUCTS ARE MADE ACCORDING TO GB,DIN,ANSI,JIN,BSW,LOW CARBON STEEL,GRADE4.8.FROM M5TO M48 AND 1/4 TO1-1/2.THEY ARE USDED IN CONSTRUCTION AND DECORATION.guochuijie@hotmail.com