Cutting 1,Processing by drawing 2,Precision equal to or less than 0.03mm 3,Material:Carbon steel 4,Delivery on time Shanghai Yijian mechanical equipment Co., LTD was established in March 2002, now located in Shanghai city, The factory’s area is 2000 Square meters .*ISO9001:2000*Non-standard production according to customers' drawings or samples*Material:stainless steel,brass,copper,hardeded ...