... , 101.6 , 108 , 114 , 127 , 133 , 141 , 159 , 168, 219 b) Square tube side length , mm : 10*10 , 12*12 , 15*15 ... :50 people d) Factory Size : 46,000 square meters)12) Trade & Marketa) North America b) South America c) Eastern Europe d) Southeast ... type: welded stainless steel pipes, welded stainless steel tubes.b).Product shape: round, square, oval , bended, elliptical ,spiral, threaded ,embossed.c). ...