亚洲国产日韩美_天堂精品久久久久_午夜激情视频在线_eeuss影院eeuss最新直达

detailed information:

 

length series:1270mm

 

repeat series:410,420,460,820,914,918mm

 

Note:specific repeat size can be produced according to customers' requirements as well as can produce in line with customers' extraordinary requirements.

 

Characteristic: High geometric accuray,the straightness of the outer round is 0.01mm,the smooth finish attains Ra0.05,the diameter deviation is 0.01mm;the hardness of copper layer is HV200 or more and uniform;the crystallization of copper layer is meticulous and dense, can be carved easily,the edge of pattern is clean and printing forming is clear;accurate measurement,high hardness,long service life,can guarantee the continuous producing as well as can be used repeatedly.