Company News
- Introduction of hot pressed elbow2019-05-27
- Introduction of anticorrosive coating-asphalt coating2019-05-22
- Classification of pipe fittings: according to purpose and connection2019-05-21
- Introduction of forged threaded pipe fittings2019-05-20
- Introduction of ASME B16.11 socket weld pipe fittings2019-05-17
- Haihao received feedback about the SS347 U pipe bends2019-05-16
- Pipe tee manufacturing process: hydraulic bulging and hot pressing forming2019-05-15
- Methods of manufacturing process for pipe bends2019-05-14
- What is a pipe union?2019-05-13
- The introduction of swage nipple2019-05-10
- ASME B16.9 A234 WPB SCH80 caps are ready for shipping to India2019-05-09
- Advantages of large size pushing elbow forming technology2019-05-08
- Manufacture process of high pressure tee2019-05-07
- The 1320 elbow produced by Haihao factory recently2019-05-06
- Introduction of stamping elbows2019-05-05
- The advantages and influence factors of push elbow2019-04-30
- The pushing process of pipe elbow2019-04-29
- The manufacturing technology of cross2019-04-28
- Manufacturing technology of reducer2019-04-26
- Large size pipe fittings are being shipped2019-04-20