Drill String Cross-over Sub uses AISI4145H chromium-molybdenum steel, execute API specification.We can produce the same-dia type, reducers type and L-type three types, the screw can be cold thread rolling, copper or phosphate treatment.
CCS FH40 shipbuilding steel plate is one of the grade of shipbuilding steel. KUNFENG is the supplier of CCS FH40 shipbuilding steel plate. We have a long story in exporting and producing CCS FH40 shipbuilding steel plate.
EN10025-3 S275N/NL is one of carbon and low alloy steel standards. EN10025-3 S275N/NL carbon and low alloy steel plate can be used in many fields. KUNFENG has huge advantage in supplying EN10025-3 S275N/NL carbon and low alloy steel plate.
1.Crushing wall is one of the main components of the cone crusher, and called moving cone, cone crusher crushing wall using new composite materials forged with superior abrasion resistance, cost-effective, wide applications and so on. 2.The products