Pipe fittings product design drawing
ANSI/ASME forged flanges standard drawing
concentric reducer and eccentric reducer drawing
reducing tee dimension and drawing
90 degree and 45 degree elbows drawing
Recent Products
Haihao Group Will Attend 21st Iran International Oil,Gas,Refining,Petrochemical Exhibition
Posted on 04/08/2016 Categroy: Market News
Hebei Haihao Group will take part in the 21st Iran International Oil,Gas, Refining And Petrochemical Exhibition. The exhibition will be held at 5-8 May 2016. As one o ...
Haihao group carried annual verification of CE(PED) Certification
Posted on 03/18/2016 Categroy: Market News
This week, the engineer from notify body of EU visited our company for annual verification ,he audited our products manufacturing and quality management system . CE ...
Hebei Haihao Group and Wavin Group work together to support Pakistan piping system market.
Posted on 03/11/2016 Categroy: Market News
Hebei Haihao Group and Wavin Group work together to support Pakistan piping system market.As one of the most important steel piping products manufacturer and supplier ...
What is A234 WPB Steel pipe fitting?
Posted on 02/26/2016 Categroy: Market News
What is A234 WPB Steel pipe fitting?A234 WPB steel pipe fittings mean the pipe fitting which material is ASTM A234 WPB , they are used for the pressure piping systems ...
Quality inspectors of Haihao Group do pipe fittings X-ray testing in holiday.
Posted on 02/23/2016 Categroy: Market News
pipe-fitting-RT-inspection-controlToday ,it is the Lantern Festival in China, the Moon in the sky is full , families also should be full . So workers have a duty off ...