News

Method of removing oil on the surface of square tube

It is inevitable that the surface of the rectangular tube will be coated with oil, which will affect the quality of rust removal and phosphating. Next, we will explain the method of oil removal on the surface of the rectangular tube below. Read More

Surface defect detection method of square pipe

The surface defects of square tubes will greatly reduce the appearance and quality of products. How to detect the surface defects of square tubes? Next, we will explain the surface defect detection method of the lower square tube in detail. 1、 Eddy current testing. Eddy current testing includes ... Read More

How to straighten galvanized square pipe?

Galvanized square pipe has a good performance, and the demand for galvanized square pipe is very large. How to straighten the galvanized square pipe? Next, let’s explain it in detail. The zigzag of galvanized square pipe is caused by improper adjustment of rolling mill, residual stress duri... Read More

Essential difference between welded square pipe and seamless square pipe

The production process of square tubes is simple, the production efficiency is high, the varieties and specifications are various, and the materials are different. Next, we will explain the essential differences between welded square tubes and seamless square tubes in detail. 1. Welded square pip... Read More

Recent steel prices-yuantai steel pipe group

Recent steel prices-yuantai steel pipe group Steel fundamentals were further improved against the backdrop of the decline in molten iron in steel mills, and the pressure on steel mills and social inventories was further reduced. However, the reality of widespread losses in the market, combined wi... Read More

Happy Dragon Boat Festival

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BIENVENIDO | YUANTAI DERUN EN EXPOEDIFICA（SANTIAGO） 2017: LA FÁBRICA DE HOLLOW SECTION MÁS GRANDE EN CHINA

-YUANTAI DERUN- Tianjin YUANTAI DERUN Grupo de Fabricación  de Tuberías Co., Ltd. *Clasificado en el puesto 228 de ”500 empresas manufactureras  en China“ del año 2016. *Establecido en marzo de 2002, Yuantai posee 61 líneas de  producción,la producción anual es de 5 millones tonelada... Read More

OMG！Square and Rectangular HWS enterprise enters into CHINA TOP 500 PRIVATE ENTERPRISE !

 YUANTAI DERUN became the member of TOP 500 Chinese private enterprises. August 24, 2017 China top 500 private enterprises in Jinan released. (click it to see more news about the list) Tianjin YUANTAI DERUN Pipe Manufacturing Group to 2016 annual sales of 12.06 billion yuan into the TOP 500 Chine... Read More

Tianjin yuantaiderun steel pipe group participated in the 131th online Canton Fair

Live broadcast time and product special session of Canton Fair   At this Canton Fair, Tianjin yuantaiderun steel pipe group adopted the live online interactive mode for the first time. Buyers from all over the world are welcome to negotiate, consult, interact, leave messages and order!  ... Read More

Heavy benefits! The United States re exempted 352 tariffs on Chinese goods and extended them to the end of 2022! [list attached]

How to check whether your product is included in this exemption: Directly click “read the original” at the end of the text to download the file and view the exemption list. Use the latest US tariff inquiry website（ https://hts.usitc.gov/ ）View. Enter the first six digits o... Read More

Production Leads, Consumption Leads—Enterprise Standard In 2021 List Of “Leaders”

Enterprise standard in 2021 List of “leaders” Read More

A new chapter in green transformation

Huang Yalian A new chapter in Green Transformation — the record of Tianjin yuantaiderun steel pipe manufacturing group Co., Ltd. promoting green manufacturing Huang Yalian A new chapter in #GreenTransformation — the record of Tianjin yuantaiderun steel pipe manufacturing group Co.,... Read More
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