C21000 copper pipe is made from a basic coppe···
C12200 pipe is known as EDM red copper, a hig···
C12000 welding performance and cold bending p···
C12000 copper is made from a high-purity elec···
C10200 copper pipe is made from anly pure cop···
C10100 copper pipe is made from anly pure cop···
C11000 copper pipe is made from a copper-base···
C28000 copper coil is made from a copper-zinc···
C27200 copper coil is made from a high-qualit···
