Hong Yu Metal Co.,LTD was founded in 1994 with a long history and experience in exporting washers worldwide by own trade company----Qingdao Dukyang Trade Co., Ltd. The materials meet the severe requirements. We use A2, A3, A4 and copper. The standards about washers include DIN125, DIN126, DIN127, DIN7989, NFE 25-513----NFE25-515, JIS, KS and BS4320. We can produce special fasteners according to the clients' design. Payment method: 30% T/T; the last is paid after receiving the copy of the B/L; L/C at sight
