the brand of seamless steel pipe wins. Longsheng Company's excellent management ability, product research and development and manufacturing ability have been recognized by well-known enterprises at home and abroad. Its products sell well all over the country and are exported to Southeast Asia, the Middle East, Europe and America and many other countries and regions, and are well received by users at home and abroad, with strong market advantages and competitiveness.
the long-standing brand of seamless steel pipe. Jiuli is a well-known trademark of metal pipes. It has built world-class seamless pipes production lines of stainless steel, corrosion-resistant alloy and high-temperature alloy and large, medium and small-caliber welded pipes production lines, and has been committed to providing safe and reliable solutions for industrial pipeline systems with high performance, corrosion resistance, pressure resistance and high temperature resistance.
Meiergu of seamless steel pipe brand. The "Meiergu" pipeline, which enjoys a good reputation in the industry, was founded in 2 and is one of the core industries of the group company. Mainly engaged in the research, development, manufacture and sales of new plastic pipeline products such as PP-R, PE-RT, PE, PVC and related plumbing fittings, and committed to providing comprehensive solutions for domestic water supply and drainage, HVAC and municipal water supply for various end customers.
the brand of seamless steel pipe is booming. Rifeng is the world's leading brand of new pipelines and the world's largest manufacturer of aluminum-plastic pipes (according to the statistics of German Plastic Information Center KWD28). Rifeng, with its large scale and strong strength, has become the global leading brand of new pipeline, and has made great strides towards the goal of "building a leading brand in domestic bathroom industry"!
Xinyuan Thai brand of seamless steel pipe brand. Xinyuantai Steel Pipe Group Co., Ltd. is one of the top ten brands of metal pipes, a well-known trademark in China and a well-known trademark in Hebei Province. It is a product trusted by consumers in Hebei Province, a demonstration unit with double guarantees of quality and reputation, a unit that abides by contracts and keeps promises, an AAA credit rating enterprise and a large domestic steel pipe manufacturing enterprise.
Precautions for purchasing seamless steel pipes
1. Observe the signs and specifications on the steel pipes, as well as the factory name and related information.
2. Look at the quality certificate provided by the seamless steel pipe manufacturer.
3. When buying seamless steel pipes, observe whether there are cracks, scars and so on on the steel pipe surface.
4. Observe whether the surface of seamless steel pipe is painted evenly, which can show whether employees of an enterprise are responsible for their work.
5. in order to avoid purchasing inferior products, we try our best to go to large-scale well-known brand enterprises to purchase them.
standards for seamless steel pipes
the standards for seamless steel pipes are different according to their functions. For example: seamless pipes for structure (GB/T8162-28), seamless pipes for fluid transportation (GB/T8163-28), seamless pipes for low and medium pressure boilers (GB387-28), seamless pipes for high pressure boilers (GB531-28) and seamless pipes for oil cracking (GB 9948)