Product introduction

Product features
1.There are three production lines make full-sizes of square tube:10*10-600*600mm and rectangular tube:20*30-600*800mm,Thickness:1.0-35mm,over 2800 kinds of specifications.
2.Xinjiyuan company resorts more variety,large inventory,high quality,low price,short delivery time,good after-sales service and many other competitive advantages to become designated supplier of many large enterprises.
3.Xinjiyuan company has been focusing on the R &D, production and usage of square and rectangular tube, with the spirit of ingenuity to create perfect products, constantly pursuing excellence, and providing a full range of square and rectangular tube products and solutions for customers at home and abroad,we can customize them according to user's drawing size.We obtained more than 40 utility model patent technology.
4.Xinjiyuan company has total of production lines, preheaters, straightening machines and other professional production equipment and lab equipment more than 20 sets, has a physical laboratory and a chemical laboratory to guarantee products’ quality.

Product name Square and Rectangular welded steel pipe(Hollowsection)
Standard ASTM A500 JIS G 3466 DIN EN 10210 EN10219AS1163GB/T3094-2000
Steel grade S235.S355 St33 St37St52A500A513A106SS400STKR490C250C350
Certification ISO、CE、FPC
Application 1.Construction/building materials steel pipe
2.line pipe for pipeline
3Pipe for glass curtain wall
4.Guardrail post steel pipe
5.Pipe for mechanical manufacturing
Pipe lengtd 0.5-12mcustomized
Package 1.Big OD:in bulk
2.Small OD:packed by steel strips
3.Woven bag
4.According to tde customer's choice
Technique Graduallyroller extruded to square and rectangular tube
Inspection Chemical composition andmechanical propertiestesting,hydrostatic test. dimensional andvisuzalinspection non-destructiveinspection
Deliveryterm EXW FOB CFR CIF
Payment term TT or LC at sight
Delivery time In stock 3-7 daysOrder 10-30 days
Product Image
application image
quality testing
common problem
  • Q: are you a manufacturer of square tubes?
    A: we are a manufacturer with an inventory of 100000-150000 tons. We can also produce according to your order.
  • Q: what is the delivery time?
    Answer: 5-30 days after receiving T / T advance payment or LC date.
  • Q: do you provide samples? How can I get samples to check your quality? Is it free or extra?
    A: our company can provide samples. The samples are free. The customer only needs to bear the express fee. The express fee can be returned after the order is confirmed.
  • Q: what is the quality of your products?
    A: our products are manufactured in strict accordance with national and international standards. We test each steel pipe before delivery. If you want to view our quality certification and various test reports, please ask us.
  • Q: how can we trust you?
    A: a world-class production and service provider with 22 years of production and management experience, supports sample mailing and signing the contract. If the delivery time or product quality requirements in the contract are not met, you can apply for a refund.
Product features

Jinan Xin Jiyuan Special Section Tube Co., Ltd, founded in 2003, located in Jingshi West Road,Jinan Economic Development Zone, Changqing District, Jinan City, Shandong Province. Transportation is very convenient and it has a good business environment.

    Our company was established nearly 20 years, has been “focus” on the research and usage of steel products,and “concentrate” for creating platform and global promotion of square pipes and other special shaped steel pipes

    Our company is a senior member of cold-formed section steel branch of China Steel Structure Association and square tube branch of China Metal Material Circulation Association.We participated in the formulation of cold-formed steel industry standards in 2018. Won the title of "Profession, Precision, Particular, Pioneer" small and medium-sized enterprise in Jinan City in 2018; Won the title of "Profession, Precision, Particular, Pioneer" small and medium-sized enterprise in Shandong Province 2019; Selected into the first batch of competitive industrial product catalogue of Jinan City in 2019; Won A+ degree factory in the government’s yield benefit per unit area evaluation, and was rated as a national high-tech enterprise in 2020.

    Our company's products have passed the TUV ISO9001:2015 quality management system certification, Lloyd's EU CE certification and Singapore FPC certification, and passed the factory certification of SGS, BV and other international quality testing institutions. With high-quality products and services, we have become the designated supplier of many state-owned enterprises, central enterprises and listed companies. Our international business covers more than 50 countries and regions such as EU, North America, India and Southeast Asia etc.