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Hot Finished Steel Hollow Sections for Structural Purposes En10297 E235 E355 E275 E470 E355K2
US$1,700.00
25-99 Tons
US$800.00
100+ Tons
Product profile
Customization
AvailableAfter-sales Service
YesWarranty
1yearModel NO.
pipeType
SeamlessTechnique
Hot RolledMaterial
Alloy SteelSurface Treatment
VarnishingUsage
Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & DecorationSection Shape
RoundTransport Package
Bundles or LooseSpecification
17-1200mmTrademark
luzhengOrigin
Shandong, ChinaHS Code
7304599000Production Capacity
10000tons Per MonthKey features
Wide Material Range: Available in E235, E355, E275, E470, Q345B, Q355B, 40Cr, 41Cr4, 4140, and more.
Extensive Size Options: OD 17-1200mm, Wall Thickness 2-100mm, Length 4-12m with +/-1% tolerance.
Multiple Standards Compliance: Meets EN10210, EN10297, GBT8162/8163, GOST8731, DIN1629, ASTM A519, and others.
Diverse Surface Treatments: Offers Varnishing, Hot Rolled, Normalizing, Cold Drawn, Annealed, and Q+T conditions.
Long-Term Experience: Over 15 years of specialized steel pipe production with professional technicians.
High Production Capacity: Annual output of 300,000 tons across four production bases with stock availability.
Comprehensive After-Sales: 1-year warranty coverage and dedicated support for structural steel hollow sections.
Machining Services: Additional machining services available upon request for custom requirements.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2012-03-01Nearest Port: QINGDAO ,TIANJIN ,SHANGHAIAverage Response Time: ≤10.24hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF
AI-Powered supplier vetting
SummaryWeifang Luzheng Industry & Trade Co., Ltd. is a China-based limited company in Shandong, described as both a trading company and manufacturer/factory. Its stated products include steel pipes, fin tubes, greenhouses, container houses, and air coolers. The supplier reports substantial production capacity across several product categories, five production lines, 50 years of combined R&D engineering experience, and 11–20 quality-control staff. It states that 90% of sales are exports, with self-operated import and export rights, export activity since 2012, and markets across multiple global regions. Management-system certifications listed include OHSAS/OHSMS 18001, ISO 9000, ISO 9001, and QC 080000. The provided information does not establish after-sales service processes, verified financial strength, documented customization capability, or specific customer cases.
Supplier typeThe supplier is identified as a trading company in its basic information and as both a trading company and manufacturer/factory in its business-entity profile. Its factory is stated to be located in Qingzhou, Shandong, and its listed products are industrial and construction-related goods.
CertificationsThe supplier lists OHSAS/OHSMS 18001, ISO 9000, ISO 9001, and QC 080000 management-system certifications. These certifications are explicitly reported, although the slices do not provide certificate numbers, validity dates, or issuing-body verification.
R&D capabilityThe supplier reports 50 years of total R&D engineer experience and states that it understands international standards for its principal products. These details support technical experience, but no specific inventions, patents, proprietary technologies, or recent product-development achievements are provided.
Production capacityThe supplier reports five production lines, 11–20 quality-control staff, and stated annual capacities of 250,000 tons of steel pipe, 300,000 fin-tube pieces, 3,600 air coolers, and 980,000 square meters of greenhouse products. The factory is located in Qingzhou, Shandong, and the supplier is described as both a manufacturer and trading company.
Product Q&A
Q:How can I trust your company if I haven't done business with you before?
A:
Our company has been in production of steel pipes for 15, almost 16 years, which is longer than most of our fellow suppliers, we've been golden suppliers for years. What's more, we've got quite a lot authority certificates, for example, CE, ISO9001, made in china onsite check certificate. I hope those above will be persuasive enough.
Q:What is the minimum order?
A:
Yes, our company mainly deals with wholesale deals, but if you insist buying one piece, or you just need one piece, we would be very likely to make the MOQ as 1 piece for you though.
Q:How can I get a sample to check your quality? How long can I get the sample?
A:
After price confirmed, FREE SAMPLE could be provided for your evaluation. After you confirm the sample details, the samples will be ready for delivery in 3-7days,and will be sent to you via express and arrive in 3-5days.
Q:What payment methods your company accept?
A:
We accept T/T, L/C, Western Union, Paypal.
Q:What's the shipment terms and delivery time of your company?
A:
FOB,CFR,CIF,15-60days
Send Inquiry
*To:
Weifang Luzheng Industry & Trade Co., Ltd.
Weifang Luzheng Industry & Trade Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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