1. WideBand audio frequency makes more natural voice 2. The Ultra Noise canceling Mic filters 80% background noise 
1. The professional class headset, comfortable to wear all-day 2. The Ultra Noise canceling Mic filters 80% background noise
Q345NQR2 Steel
Q345NQR2 steel sheets supplier and exporter, Katalor has 200tons Q345NQR2 plates and Q345NQR2 steel sheets for railway rolling stock in Shanghai.
S355J2W Steel
EN10025-5 S355J2W steel is a hot rolled steel of structural quality with improved atmospheric corrosion resistance.
Q355GNH steel
Q355GNH weathering steel refers to a low-alloy structural steel with a protective rust layer that is resistant to atmospheric corrosion.
Q235NH Steel
The alloy composition and weight percentage of the Q235NH steel sheets are: C: ≤ 0.12, Si: 0.25 to 0.75, Mn: 0.2 to 0.5, S ≤ 0.02, P: 0.06 to 0.12, Cu: 0.25
SPA-C Steel
JIS G3125 SPA-C steel plate is a hot rolled steel sheet and strip of structural quality with improved atmospheric corrosion resistance.
KR DH32
KR Grade DH32 Hot Rolled Plate Specification Steel Standard:KR (Korean Register of Shipping )
KR Grade DH32
Marine Class KR DH32 Steel Supplier in China
KR FH36
Grade FH36 Shipbuilding steel plate contains more Nickel and Nitrogen elements and less limited for Phosphorus and Sulphur in chemical composition when rolli