Company News

What is ERW steel pipe and HFW steel pipe?

The ERW steel pipe manufacturing process includes HFW ERW has a low, medium and high frequency welding process, and HFW is specially used for high-frequency resistance welding The difference between ERW and HFW steel pipes is that EFW is one type of ERW more >>

Four quality inspection aspects of elbow welding

Inspection must be carried out at the elbow joint, which is also an important measure to ensure welding quality After the elbow is welded, the welding seam shall be inspected according to the technical requirements of the products more >>

Advantages of forming process of stamping elbow

The forming process of stamping elbow is complex, which needs to be welded according to different materials and uses, and gradually formed under a certain pressure Stamping elbow has many advantages more >>

Upgrading of carbon steel pipe production system

Our factory uses the international advanced production management system of carbon steel pipe fittings The production management software is very simple to control the setting of raw materials more >>

Facing environmental regulation, raw materials reserve

China s strongest environmental protection period is coming The weather is getting colder and colder On November 15, most countries and regions in China will start heating By then, the government will tighten the environmental protection control more >>

Welded steel pipe arrival and test

After seamless pipe raw materials purchase, today seamless pipe raw materials to the factory again According to the requirements of the company, the straight pipe stock has been strictly checked Commonly used detection methods for Welded steel pipe are more >>

Carbon steel pipe fitting exported to Indonesia

Our customer from Indonesia placed an order to us last month After strict inspection of the third party the cargos finally finished the delivery It is first time for us to export Indonesia For exporting goods to Indonesia, the third party inspection is more >>

New order of alloy steel pipe fitting and flange

Recently our Vietnam customer placed a new order of alloy steel pipe fitting and flange the material is A420 WPL6 Thanks for the respectable client trust us all the way We surely try the best to supply the best quality more >>

Seminar on Seamless Elbow production process

In October 22, 2018, our company held a seminar on pushing seamless elbow technology The general manager of the production department, the director of the elbow workshop, the quality engineer and the representative of the first-line production workers at more >>

Establishment of high pressure elbow workshop

High pressure elbow is an outstanding weak link in pipeline system The reliability of pipeline is mainly determined by the working ability of high pressure elbow The working ability of high pressure elbow is related to its stress state more >>

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