text: [{"text_idx": "#000005", "text": "Size range: seamless 1/ 2 \u201d to 24 \u201d\nseam weldding 4 \u201d to 48 \u201d"}, {"text_idx": "#000007", "text": "Elbow: 45 deg, 90 deg, 180 deg, long redius, short redius\nReducer: concentric, eccentric, Cap, Cross"}, {"text_idx": "#000008", "text": "Coating : Black paint, rust-proof oil, transparent paint, hot galvanized,"}]