Hebei Haihao group pip…

Hebei Haihao group pipe fittings introduction video


Steel pipe fittings ma…

When we talk about the material of steel pipe fittings,  we talk the material steel grade , for example,  ASTM A234 WPB or A403 WP316L.It is the material information of this fitting , not the raw  ...


Pipe fitting Manufactu…

There are many Manufacturing processing methods on pipe fittings.  Many also belong to the category of machining class, the most widely used method is stamping, forging method, roller processing m ...


How to identify the qu…

As the connection joints of piping system, steel pipe fittings are very important to the piping system in a project ,so the quality must be excellent. For the butt welding pipe fittings, their qua ...


Types of steel pipe fi…

In the industry application, there are many types of steel pipe fittings used in the projects , summed There are several main types:Based on the material, the steel pipe fittings can be divided in ...


The product feature ab…

Hebei Haihao High Pressure Flange & Pipe Fitting Group Co. , Ltd. is the biggest flange & pipe fitting manufacturer in our area, covers an area of 78,000 square meters with the buildingare ...