China structure pipe black square and rectangular steel tube

{"pid":"50553229","cid":"369886","pimg_url":"\/\/img1.b2bforus.com\/eb\/51\/eab3c789f008\/product\/196831727_s-w400xh400.jpg","name":"Certificato API Struttura di carbonio Mild 24 Inch 50*50 Acciaio Pipa Quadrata St37 Acciaio Pipa rettangolare Tubo Nero Pipa Quadrata","company_name":"Shandong Zhongyu Weiye Trading Co., Ltd","attrs":{"Prezzo":"$580.00\/tons 5-49 tons","MOQ":"5 tons","Tempo di consegna":"15-21 days","Marca":"zhongyu"}}

{"pid":"50553783","cid":"369906","pimg_url":"\/\/img1.b2bforus.com\/e1\/5f\/cc5eed5f5e05\/product\/196834902_s-w400xh400.jpg","name":"BSI Certified 1*1inches*1.4mm Black Carbon Square\/Rectangular Steel Pipe\/Tube per strutture e supporti industriali","company_name":"Shandong Lubao Metal Group Co., Ltd.","attrs":{"Prezzo":"$600.00\/tons 1-27 tons","MOQ":"1 Ton","Tempo di consegna":"within 7 days","Marca":"lubao"}}