Seamless vs Welded vs Spiral Steel Pipe: Which Do You Need?
Compare seamless, ERW, LSAW and spiral steel pipe by manufacturing, size range, typical use and standards, then learn what to include in your inquiry.
Read article →Coils, plates, sections, pipes and construction steel from 20,000 tons of ready stock, processed to order and exported to more than 20 countries.
Our steel is used in buildings, bridges, ports and industrial structures, with products selected to each project's specification.
56 products in six families: sections & profiles, pipes & tubes, steel coils, steel plates, construction steel and stainless steel.

Shanghai Banzhijia Steel is an integrated steel supply-chain service provider with 14 years of experience in steel trading and processing. We specialise in steel procurement, warehousing and logistics, custom processing, project supply and international export, giving customers a one-stop steel solution.
We supply steel coils, plates, structural sections, pipes, bars and other construction materials. Partnerships with more than 10 leading steel mills and our own processing facilities give reliable sourcing, flexible customisation and efficient order fulfilment.
Serving infrastructure, municipal projects and industrial manufacturing, we combine strong supply resources, ready stock and professional logistics to help customers secure competitive prices, consistent quality and dependable delivery.
Levelling, slitting, shearing and laser cutting to size, with stock held close to the port of Shanghai.






Two warehouse & processing centres in Shanghai and two production bases in Jiangsu and Zhejiang.

No. 269 Feiyun Road, Luojing Town, Baoshan District, Shanghai

No. 2299 Tingfeng Highway, Zhujing Town, Jinshan District, Shanghai

West side of Weier Road, Jianghai Development Zone, Tongzhou Bay, Nantong

No. 11 Wenlan Road, Jianshan New Area, Haining, Zhejiang
Partner-mill certificates and inspection documents are provided according to each order and destination.
Partner-mill quality certificates, provided per order.
Provided according to order and destination requirements.
Mill test certificates provided with each order.
Provided where the product standard requires them.
We source from 25 of China's leading steel mills.
Baosteel
Ansteel
Shagang
WISCO
Masteel
JISCO
Rizhao
Jinxi
Xiehe
Zhongcai
Lianxin
Huada
Yieh Phui
Anfeng
Shenlong
Meifugan
Tianjin Youfa
Hengshui Huaqi
Zhejiang Jinzhou
Jiangsu Guoqiang
Yonggang
Zenith
PanhuaLeading Chinese contractors and manufacturers we have cooperated with.







Landmark projects across China that rely on carefully specified, well-documented steel supply.
Bridges & TransportationHong Kong–Zhuhai–Macao BridgeSelected steel products supplied for construction requirements associated with the world's longest open-sea fixed link.
Industrial & Logistics InfrastructureTesla Gigafactory Shanghai
Commercial & Public DevelopmentsNational Exhibition and Convention Center (Shanghai)
Commercial & Public DevelopmentsHangzhou Olympic Sports Center
Industrial & Logistics InfrastructureYangshan Deep-Water PortAlso supplied: Shanghai Tower · Shanghai–Suzhou–Nantong Yangtze River Bridge · Shanghai Disney Resort · Shanghai Astronomy Museum · Wuhan Leishenshan Hospital
View All ProjectsPractical guides on specifying, inspecting and sourcing steel.
Compare seamless, ERW, LSAW and spiral steel pipe by manufacturing, size range, typical use and standards, then learn what to include in your inquiry.
Read article →H-beams have parallel flanges and I-beams have tapered ones. Compare shape, uses, standards and how to specify each section in an inquiry.
Read article →Compare stainless steel surface finishes, from 2B and BA to No.4, hairline and mirror, with typical uses and what to specify in your order.
Read article →It depends on the product and specification. Send us your requirements and our sales team will confirm a suitable order quantity.
We work with EXW, FOB, CFR, CIF, DDP and other Incoterms, chosen to suit the shipping requirements of each order.
Mill Test Certificates (MTC), certificates of origin, commercial invoices, packing lists, bills of lading and other order-specific export documents.
Regular stock orders can be dispatched the same day. Simple processing takes 3–5 working days; custom or high-volume orders are scheduled once requirements are confirmed.
Yes. We prepare the export documents for each order and coordinate ocean freight or China–Europe rail to the agreed destination.
We were founded in 2012 and have 14 years of steel trading and processing experience.
Photos: tunnel boring machine — “2012 Eurotunnel tunnel boring machine 02”, Wikimedia Commons, CC BY-SA 4.0.
Send the specification, destination and target volume for an order-specific quote.