Dear Sir or Madam: Our company is the leading big manufacturer of Carbon Steel &Alloy Steel Butt welding Pipe Fittings according to A234 WPB ASTM ANSI B16.9 standard ,DIN and JIS standard as below: 1. Elbow 45Degree&90Degree, LR&SR from 1/2 inch to 48 inch. 2. Straight & Reducing TEE from 1/2 inch to 48 inch. 3. Concentric &Eccentric Reducer from 1/2 inch to 48 inch 4. Caps from 1/2 inch to 48 inch We hope we can develop both friendship and business relations, by our joint effort, on the basis of equality and mutual benefit.