... quality 4.ISO9001 Certificate Product name:Brass key lock cylinder 1.Material : Brass, Nickel silver,the key cylinder made by new material.we ... the brass which is complied with ROHS standard. 2.supply key cylinders with various kinds of images or according to customers ... your request 8.Our company mainly product door key blanks,motorcycle key blanks,car key blanks,lockcylinders,we have all kinds of keys ...