1-material:BS 150LBS stainless steel 304 union. 2-standards:ASTM,DIN,GB,JIS etc. 3-size:1/2"-65" BS 150LBS stainless steel 304 union The main products include: seamless steel pipe, straight seam steel pipe, spiral steel pipe, welded steel pipe, elbow, tri -elbow, different-diameter pipe, bebded pipe, flange, etc. The main products have been awarded by provicne and state, and exported throughout ...