TIANJIN LEFIN STEEL GROUP — a professional manufacturer and solution provider in the steel industry — was established in 2005. The group consists of Tianjin LEFIN Industrial Co., Ltd., Tianjin LEFIN Steel Import & Export Co., Ltd., and Tianjin Shengqifeng International Trading Co., Ltd.
With total assets exceeding 30 million USD and a combined production area of over 60,000 square meters, we are committed to delivering excellence in steel manufacturing, processing, and trading.
At LEFIN, we:
●Support long-term cooperation with global partners.
●Provide the most advanced smart solutions for various steel applications.
●Adopt top-tier technology to ensure superior quality and efficiency.
●Offer one-on-one ODM services, customized to meet every client’s unique needs.
As a trusted steel manufacturer, TIANJIN LEFIN STEEL GROUP strives to create sustainable value through innovation, reliability, and professional service.

Our main products are Hollow Sections, including:Square Tubes、Rectangular Tubes
Circular Hollow Sections, etc.
Main production sizes:From 20mm × 20mm up to 1200mm × 1200mm、Thickness: 1.5mm – 50mm、Length: 1m – 25m
Production Standards:ASTM A500, ASTM A501, EN10219, EN10210, JIS G3466, AS/NZS1163, etc.
Available Grades:S355J2H, S355JOH, S355JRH, S275, S235, S460, S550, GR.A/B/C/D, C250L0, C350L0, Q355B, etc.
Production Techniques:Cold-formed hollow sections、Hot-formed hollow sections
All these steel pipes are widely used in:Steel structure construction、Oil and natural gas industries、Shipbuilding、Chemical industry、Water conservancy projects、Electrical industry、Building and other related fields