免费观看特黄60分钟大片,黄色国产视频,久久www免费人成看国产片,黄色在线资源

Maanshan ford machinery manufacturing co., LTD

Product description: X46Cr13, 20MnCr5 feed machine ring die blank, 42CrMo, 50Mn and other materials tooth ring, sleeve specification 200-4000mm can meet the requirements.

mailbox:admin@fudejx.com

tel:0555-6970996

Address:Maanshan Xinshi Industrial Park

Web site:www.ahjzjob.com

We look forward to working with you — distinguished customers hand in hand cooperation!