• The customer from Indonesia came to Haihao for product inspection2021-11-05
• What is the difference between forged pipe fittings and cast pipe fittings?2021-11-05
• The introduction about forged steel pipe fittings2021-11-04
• What are threaded pipe fittings?2021-11-04
• The introduction about socket weld pipe fittings2021-11-04
• What are butt weld pipe fittings?2021-11-04
• What is a flange?-Define and Detail of flange2021-11-04
• Hebei haihao pipe fitting factory finish the Aerospace fuel piping systems order2021-11-04
• The types of flange insulation gasket2021-11-04
• Hebei Haihao steel pipe fitting factory provide packing as per client requirement2021-11-04
• The Most Hardworking Client of 2015 Visited Haihao Pipe Fitting Factory2021-11-04
• How to identify the quality of butt welding steel pipe fitting2021-11-04
• Steel pipe fittings material and production2021-11-04
• The popular pipe fitting types2021-08-26
• Haihao Group attend the Tube China 20162016-11-09