About us · Jinan, Shandong, China
Twelve years of steel,
one integrated manufacturer
Shandong Xin Jiyuan Special Steel Tube Co., Ltd was founded in 2013 and has grown into a full-range steel solutions provider -- square & rectangular tubes, round pipes, plates, coils, section steel, structural fabrication and precision machining -- exporting to more than 50 countries.
- 2013
- Year established
- 41
- Invention patents
- 2,800+
- Specifications
- 50+
- Export countries
Who we are
A factory-direct partner,
not a trading middleman
From a single tube mill in Jinan to three dedicated production lines with in-house physical and chemical laboratories, we build every product we sell. Our patented sharp-corner rectangular tube technology -- a domestic and international first -- has filled multiple gaps in the global market.
As a national high-tech enterprise and a drafting participant of China's cold-formed steel industry standards, we serve EPC contractors, distributors, machinery manufacturers and infrastructure developers with one-stop procurement, customization and door-to-door logistics.
- Founded 2013 · Jinan, Shandong
- ~20 years of export experience
- Wall thickness up to 40 mm
- Grades Q195-Q690 · T700 · 20# · 45#
Our history
Milestones from 2013
to today
Every stage of our growth has been driven by capacity investment, patent development and international certification -- building a supply chain our clients can plan around.
-
2013
Company founded in Jinan
Shandong Xin Jiyuan Special Steel Tube Co., Ltd starts production of welded square and rectangular steel tubes with its first dedicated mill.
-
2015
Sharp-corner R&D programme
In-house engineering team develops the sharp-corner rectangular tube process -- the first of its kind in China and abroad -- and files the founding patent family.
-
2017
ISO 9001 & first EU exports
The ISO 9001 quality management system is certified and the first container shipments reach European and Southeast Asian distributors.
-
2018
Industry standard drafting
Invited as a drafting participant of China's cold-formed steel industry standards, confirming our technical leadership in the segment.
-
2020
National high-tech enterprise
Recognised as a national high-tech enterprise; the patent portfolio expands toward 41 invention patents across forming, welding and galvanizing.
-
2022
EU CE, FPC and third-party audits
Lloyd's Register EU CE certification to EN 10210 / EN 10219, Singapore FPC approval, plus SGS and BV factory verification.
-
2024
Three lines · 2,800+ specifications
Capacity reaches three dedicated production lines covering 2,800+ specifications with wall thickness up to 40 mm.
-
Today
A group serving 50+ countries
Manufacturing and international trade operate as one group, supplying EPC contractors, distributors and builders across the EU, North America, India, Southeast Asia and the Middle East.
Group structure
One group,
two operating companies
Manufacturing and export are held under the same ownership -- so quotations, mill certificates and shipping documents all come from a single accountable source.
Parent entity
Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Founded 2013 · Jinan, Shandong, China · National high-tech enterprise
Jinan Xin Ji Yuan
Our controlled manufacturing arm operating the tube mills, galvanizing and machining workshops. Handles forming, welding, cutting, bevelling and structural fabrication to drawing.
- 3 dedicated production lines
- Physical & chemical laboratories
- 41 invention patents in production
XJY Steel
The international business unit behind sdxjysteel.com -- managing overseas quotations, technical documentation, third-party inspection and door-to-door logistics to 50+ countries.
- Professional English-speaking team
- Mixed containers & flexible MOQ
- Nearly 20 years of export experience
Factory & team
Three production lines,
one quality standard
Real-time spectrometry, tensile and flattening tests are run in our own laboratories, so every batch leaves the mill with traceable mill test certificates.
3
Production lines
Dedicated lines for square/rectangular tube, round pipe and galvanized products.
2,800+
Specifications
Standard and non-standard sizes, wall thickness from 0.8 mm to 40 mm.
2
In-house laboratories
Physical and chemical testing for real-time process and batch quality control.
41
Invention patents
Including the patented sharp-corner rectangular tube forming process.
Our people
Engineers, quality inspectors and an international business team work side by side with our clients -- reviewing drawings, advising on grades and standards, and reporting production progress until the container is sealed.
- Drawing-based customization
- Reply within one working day
- Third-party inspection support
- Factory visits welcome
Certifications & honours
Audited, certified
and independently verified
Full mill test certificates and third-party inspection reports accompany every shipment. Original certificate copies are available on request.
-
ISO 9001:2015
Certified quality management system covering design, production, inspection and delivery.
-
Lloyd's Register EU CE
Hollow section certification to EN 10210 and EN 10219 for the European market.
-
Singapore FPC
Factory production control approval for structural steel supplied to Singapore projects.
-
National high-tech enterprise
State-recognised innovation status backed by 41 invention patents.
-
Industry standard drafting
Participant in drafting China's cold-formed steel industry standards (2018).
-
SGS & BV verified
Independent factory verification and pre-shipment inspection on request.
Certificate gallery
Global presence
Meeting our clients
at trade fairs worldwide
We exhibit at international steel and construction fairs every year -- and welcome buyers to our Jinan factory for audits, sample checks and long-term partnership talks.
Vision & philosophy
To be your reliable
long-term steel partner in China
We believe a steel supplier should be measured by what happens after the order is placed: stable metallurgy, honest tolerances, documents that pass inspection, and a team that answers when a project schedule changes.
"Quality is produced, not inspected -- every metre of tube carries our name."
What we commit to
- 01 Innovation first. Continuous patent development, led by the sharp-corner rectangular tube process.
- 02 Transparent quality. In-house laboratories plus SGS / BV third-party inspection on request.
- 03 Factory-direct value. No middlemen -- pricing, lead time and documents come straight from the mill.
- 04 Long-term service. Customization, special packing and door-to-door delivery to 50+ countries.