our company specializes in the production of high strength threadedrods, studs, and screws. the company has the capability andtechnical expertise to produce all products inAmerican(ANSI/ASTM)B7,B7M and L7;German(DIN),British and GBstandards.The sizes of the products is from1/4 to 3-1/2 or fromM6--M90(DIN), and with lengths from 0.05m-5m.Coatings of zincplating, blackening, hot dip zinc are also available.