Desc:API 2 3/8 REG water well drill pipe 76mm 1.5m thread DTH drill rod manufacturerDTH drill pipes play a significant role in all DTH drilling, regardless...
Desc:Product DescriptionQY Precision specializes in design and production of high precision metal parts and components.Focus on industry and action on dema...
Desc:Product DescriptionQY Precision specializes in design and production of high precision metal parts and components.Focus on industry and action on dema...
Desc:Product DescriptionQY Precision specializes in design and production of high precision metal parts and components.Focus on industry and action on dema...