China structure pipe black square and rectangular steel tube

{"pid":"50553229","cid":"369886","pimg_url":"\/\/img1.tradegrowthhub.com\/eb\/51\/eab3c789f008\/product\/196831727_s-w400xh400.jpg","name":"Certificado de API Estructura de carbono suave 24 pulgadas 50 * 50 tubo cuadrado de acero St37 tubo de tubo rectangular de acero negro tubo cuadrado","company_name":"Shandong Zhongyu Weiye Trading Co., Ltd","attrs":{"Precio":"$580.00\/tons 5-49 tons","MOQ":"5 tons","El tiempo de entrega":"15-21 days","Marca":"zhongyu"}}

{"pid":"50553783","cid":"369906","pimg_url":"\/\/img1.tradegrowthhub.com\/e1\/5f\/cc5eed5f5e05\/product\/196834902_s-w400xh400.jpg","name":"Certificado BSI 1*1inches*1.4mm Cuadrado de carbono negro\/tubo de acero rectangular\/tubo para estructuras industriales y soporte","company_name":"Shandong Lubao Metal Group Co., Ltd.","attrs":{"Precio":"$600.00\/tons 1-27 tons","MOQ":"1 Ton","El tiempo de entrega":"within 7 days","Marca":"lubao"}}