... soon as possilble.DIN127 is our competitive products in our company, it has many standards and many sizes, the ... 436...The main details:² Material: A2 , A3( carbon steel , low carbon steel , 65Mn , 70# steel) ,A4 , Brass , Copper ..² Surface: Plain, ZP ( ... : mainly used in building and engineerCustomers from Russia, Taiwan, India, Brazil, Greece, America, South Korean and many other countries ...