Professional manufacturer & global exporter of pre-galvanized steel pipe, hot-dip galvanized pipe, ERW welded pipe, square & rectangular tube, and scaffolding products. Serving 50+ countries with 300,000+ tons annual output.
A trusted steel manufacturer rooted in Tianjin since 1998, delivering precision-engineered steel products to global markets with uncompromising quality and reliability.
Tianjin Minjie Steel Co., Ltd was established in 1998. Our factory spans more than 70,000 square meters, located just 40 kilometers from XinGang Port — the largest port in northern China — ensuring fast, cost-effective global logistics.
We are a professional manufacturer and exporter for steel products. Our main products include pre-galvanized steel pipe, hot-dip galvanized pipe, welded steel pipe, square & rectangular tube, and scaffolding products. We have applied for and received 3 patents: groove pipe, shoulder pipe, and victaulic pipe.
Our manufacturing equipment includes 4 pre-galvanized product lines, 8 ERW steel pipe product lines, and 3 hot-dipped galvanized process lines. Products are manufactured according to GB, ASTM, DIN, and JIS standards, all under ISO 9001 quality certification.
Annual output of various pipes exceeds 300,000 tons. We have consistently earned honor certificates issued by the Tianjin Municipal Government and Tianjin Quality Supervising Bureau year after year — a testament to our unwavering commitment to manufacturing excellence.
Our products are widely applied across machinery, steel construction, agricultural vehicles and greenhouses, auto industries, railways, highway fencing, container inner structures, furniture, and steel fabrication.
Our company employs first-class professional technical advisers in China and highly skilled staff with deep professional expertise. Products have been sold to customers all over the world. We believe that our high-quality products and services will be your best choice, and we look forward to long-term, mutually beneficial cooperation.
Tianjin Minjie Steel Co., Ltd was established in 1998, offering a comprehensive range of steel products manufactured to international standards including GB, ASTM, DIN, and JIS.
Hot dipped galvanized steel coil, pre-painted galvanized steel coil, color-coated strip — versatile solutions for construction and manufacturing.
Hot dipped galvanized steel pipe, pre-galvanized steel pipe, zinc-aluminum steel pipe — superior corrosion resistance for demanding applications.
Square steel pipe, rectangular steel pipe, galvanized square steel pipe — precision-formed structural tubes for construction and furniture.
Hot rolled equal angle, galvanized angle steel — essential structural components.
Reliable rectangular steel pipes for machinery, meets EN 10219 standards.
Q235B low carbon steel pipe for construction scaffolding systems.
Construction pipe hollow type for steel fence and pile applications.
British standard pre-galvanized pipe for water, gas, and structural use.
Customized welded steel pipes for Tianjin metal building materials construction.
High-precision ERW welded pipe for structural and construction applications.
Q235B spiral welded pipe, competitive pricing for large-diameter applications.
Factory-direct pricing on galvanized round steel pipe for all specifications.
From raw material selection to final inspection, every step in our production process is governed by strict quality protocols aligned with international standards.
Premium Q235B and Q345 steel coils are sourced and rigorously tested for chemical composition and mechanical properties before entering production.
8 ERW production lines form steel strips into precise circular, square, and rectangular profiles using continuous high-frequency welding technology.
4 pre-galvanized lines and 3 hot-dip galvanized process lines ensure superior zinc coating adhesion and corrosion resistance to international standards.
Every batch undergoes dimensional, surface, and mechanical testing per GB, ASTM, DIN, and JIS standards before ISO 9001-compliant packaging and export via XinGang Port.
Tianjin Minjie Steel Co., Ltd holds ISO 9001 quality certification and has consistently earned government-issued honor certificates, validating our manufacturing excellence across international markets.
Our company has obtained the honor certificates issued by the Tianjin municipal government and Tianjin quality supervising bureau annually. Our products are under ISO 9001 quality certification, manufactured according to GB, ASTM, DIN, and JIS international standards.
We also hold 3 independent innovation patents for groove pipe, shoulder pipe, and victaulic pipe — demonstrating our commitment to continuous R&D and product innovation.
Our company owns first-class professional technical advisers in China and excellent staff with professional technology. We provide comprehensive steel solutions backed by decades of manufacturing experience.
70,000 m² facility with 8 ERW lines, 4 pre-galvanized lines, and 3 hot-dip galvanized lines — delivering 300,000+ tons annually with consistent quality.
Only 40km from XinGang Port, the largest port in northern China, enabling fast and cost-effective global shipping to 50+ countries worldwide.
Holders of 3 independent patents (groove pipe, shoulder pipe, victaulic pipe), reflecting our commitment to continuous product innovation and R&D.
Every product is manufactured under a rigorous ISO 9001-certified quality management system, meeting GB, ASTM, DIN, and JIS international standards.
Products exported to Singapore, South Korea, Australia, India, Lebanon, Saudi Arabia, and 50+ countries. Proven reliability in demanding international markets.
Annually awarded honor certificates by Tianjin Municipal Government and Tianjin Quality Supervising Bureau — a mark of sustained manufacturing excellence.
Take a virtual tour of our 70,000 m² state-of-the-art manufacturing facility in Tianjin, China — where precision engineering meets industrial scale.
Our company owns first-class professional technical advisers in China and excellent staff with professional technology. Products have been sold to customers all over the world, with a trusted global distribution network.
Building trust through transparency — we welcome customers from around the world to visit our Tianjin facility, see our production capabilities firsthand, and confirm our manufacturing strength.
In September 2019, we went to Singapore to visit clients. With the most sincere cooperation sincerity, we earned the customer's praise and established a strong long-term partnership.
In 2019, a Korean customer came to visit with a new design project and had a great collaboration with us, resulting in a successful long-term cooperation.
Old Australian customers who have cooperated with us for many years visited our factory in November 2018 to confirm our strength again and renew their long-term supply agreement.
In 2019, Indian customers visited many factories and chose us. They immediately signed a contract of 10 containers per month — a testament to our competitive quality and pricing.
In June 2017, a customer from Lebanon visited the factory and immediately ordered 1,000 tons of steel pipes — confidence built through a transparent factory tour.
In 2018, a customer from Saudi Arabia, met at the Canton Fair, came to visit the factory and started a long-term cooperation that continues to this day.
Our company attends the Canton Fair every year. At the 2017 fair, we attracted a large number of international customers. During discussions, most customers chose to trust us, and 80% of them later visited our factory in Tianjin to confirm our capabilities in person.
We continue to serve our customers with a better look — combining the personal connections made at trade fairs with the transparency of factory visits and the assurance of our ISO 9001-certified quality systems.
Tianjin Minjie Steel Co., Ltd was established in 1998. Our products have been applied in diverse projects across construction, infrastructure, agriculture, and industrial sectors worldwide.
Steel pipe solutions applied in large-scale construction and infrastructure projects across international markets.
Galvanized steel pipe supply for greenhouse agricultural structures and industrial vehicle frameworks.
Scaffolding pipe systems delivered to construction projects in the Middle East and Southeast Asia.
Square and rectangular tube solutions for furniture manufacturing, container inner structures, and steel fabrication.
Steel pipe supply for highway fence, railway applications, and road safety barrier infrastructure projects.
Precision steel tube components supplied to automotive industry manufacturers and machinery OEMs globally.
From welded steel tubes to galvanized round pipes, our comprehensive product range serves machinery, construction, automotive, and infrastructure industries worldwide.
Metal building materials customized welded steel pipes, GI galvanized ERW carbon steel.
Competitive factory-direct pricing on galvanized round steel pipes for all specifications and quantities.
Competitive price Q235B spiral welded pipe for large-diameter pipeline and structural applications.
Contact Tianjin Minjie Steel Co., Ltd today for competitive pricing, fast delivery from XinGang Port, and ISO 9001-certified quality you can trust. We look forward to long-term and good cooperation with you sincerely.
Minjie Steel