Ruijie Steel Pipe Company won a lot of honors these years, such as 'the national quality of qualified products', 'the quality of trust units', 'quality Top 100 excellent model units', 'the Chinese Enterprise Credit Association AAA-credit enterprises'. Our company insists "Quality First, Customers First", providing good services and high quality welded steel pipes to our customers.api 5ct grade k55 steel casing pipe in stock website:http://www.ruijiesteelpipes.com/