温州松龙机械是专业的中大型搓丝机厂家，旗下规格齐全M5--M30，种类丰富，标准型，加高型，特加高型，非标定制，高端变频调速封闭式等等。竭诚希望与各标准件企业合作互利


Wenzhou songlong machinery plant is profressr thread rolling machine maker in china ,modle from M5-M30. We have produce the biggest machine ZR-30 machine which use to make rail way bolt. We have more than 20 years history.