... .5mm ≥0.5mm Reference to MIL-STD-200Established in 2003, Shanghai OLY industry Co., Ltd. is a joint venture, specializing in silk screen printing ... are always seeking like-minded companies.Shanghai Ouerya Industry Co.,ltd.Add : NO.151, Cangjing Road, Songjiang District, Shanghai, P.R.China.Phone : 86-13817172517 ...