... Production Description Product name :DIN 2391 large diameter pipe Material : ST37,ST52,20#,45#Technical : Hot rolled NameValueBrandASTM ... Details show Application A variety of metallurgical mineral resources, machinery processing, oil pipelines and other Shipping Ocean ShippingEXPRESS: ... according to your request Services About US Liaocheng Jiangshan Material co., ltd, a steel manufacturer in China, has ...