One-Stop Steel Solutions: Pipes, Profiles & PV Mounting
OD Φ21.3mm – 610mm, coatings up to 600g/m². OEM/ODM & non-standard specs available.
Reliable Steel Pipe & Profile Manufacturer – Direct from Tianjin
Integrated R&D, production, and global export. Backed by 1.3M+ tons annual capacity.
- Customisation Capabilities
- Quality Control
- Our Team
Specifications & Customisation Capabilities
We support a wide range of steel pipe dimensions and customised requirements:
★ Outside Diameter: Φ21.3 mm – Φ610 mm
★ Wall Thickness: 0.8 mm – 20 mm
★ Hot‑Dip Galvanised Coating: Up to 600 g/m² (or higher, depending on process)
★ Customisation: Dimensional tolerances, non‑standard and special‑shaped sections, and tailored manufacturing processes
★ Minimum Order Quantity: 1 × 20‑foot standard container (approx. 20–25 tons)
★ Standard Lead Time: 15–25 days, adjusted according to specifications, volume and customisation.
Quality Control & Applicable Standards
Our quality control system covers every stage: raw material inspection, in‑process production checks, chemical composition and mechanical property testing, finished‑product inspection, and pre‑shipment verification. For galvanised products, coating thickness and uniformity are also strictly monitored.
★ Applicable Standards:
ASTM A53, ASTM A106, EN 10219, BS 1387, GB/T 8162 – we can manufacture to these and other regional or customer‑specified standards.
★ Third‑Party Inspection:
We support on‑site inspection and pre‑shipment verification by recognised organisations such as SGS, Bureau Veritas (BV) and TÜV, subject to project requirements.
Our Team
Rongheng Intelligent Manufacturing boasts a professional team deeply experienced in the steel export trade, with extensive knowledge of steel pipe specifications and the procurement requirements of overseas projects. We provide comprehensive, one-on-one service—spanning everything from initial inquiries and product selection to order management and logistics—delivering high-quality steel products to partners worldwide through our professional and reliable service.
Product Advantage
13 Production Lines supporting stable, continuous supply.Global Market Coverage with flexible cooperation and supply models.
40 Years of Manufacturing Experience
Production processes overseen by an experienced factory manager.
Non-Standard Customization
Solutions tailored to demanding engineering requirements and special project conditions.
Four-Stage Quality Inspection
Quality checked at multiple stages from production to finished products.
Full Range of Steel Pipes
One-stop sourcing for different pipe types and project requirements.
Direct Factory Supply
Source-based procurement with competitive pricing for equivalent specifications.
Multi-Application Compatibility
Products available for different operating conditions and application environments.
13 Precision Manufacturing Processes
Controlled production procedures for consistent product quality.
Hot-Dip Galvanized Protection
Galvanized coating provides enhanced corrosion resistance and can significantly extend service life under suitable conditions.
FAQ
Rongheng FAQ
Integrated Production, Supply, and Sales Management for end-to-end operational control.
Q
What is your minimum order quantity (MOQ)?
Our standard MOQ is 1 × 20‑foot container, which is approximately 20–25 tons depending on the product specifications. For certain standard sizes and stocked items, we may be able to accommodate smaller trial orders. Please contact our sales team to discuss your specific needs.
Q
What is your typical lead time?
Our standard lead time is 15–25 days from order confirmation. The actual delivery time depends on the product type, specification, order volume, and any customisation requirements. We always coordinate with our production planning team to ensure timely shipment and will confirm the exact schedule upon order placement.
Q
Do you offer customised products? Can you produce non‑standard sizes?
Yes, absolutely. We specialise in OEM/ODM and non‑standard customisation. We can produce steel pipes and profiles with specific outside diameters, wall thicknesses, lengths, coatings, and even special‑shaped sections. Our engineering team works closely with customers to develop tooling and manufacturing processes that match your exact project drawings or technical requirements.
Q
What quality standards do you follow? Do you have third‑party inspection?
We manufacture in accordance with internationally recognised standards including ASTM A53, ASTM A106, EN 10219, BS 1387, and GB/T 8162. We also support third‑party inspection by independent organisations such as SGS, Bureau Veritas (BV), and TÜV. On‑site inspection and pre‑shipment verification can be arranged at your request, and we will provide all necessary quality documentation.
Q
How do you ensure product quality before shipment?
We maintain a strict multi‑stage quality control system that covers incoming raw material inspection, in‑process production checks, chemical composition and mechanical property testing, finished‑product inspection, and final pre‑shipment verification. For galvanised products, coating thickness and uniformity are also carefully tested. Every batch is traceable and documented.
Q
What payment terms do you accept?
Our standard payment terms are T/T (Telegraphic Transfer) and L/C (Letter of Credit) . For first‑time cooperation, we typically require a 30% deposit with the balance against the Bill of Lading copy. Other terms such as D/P or flexible arrangements can be discussed based on order size and mutual trust. Please speak with our sales team for details.
Q
How are the products packed for international shipping?
Products are packed according to international export standards. Steel pipes and profiles are usually bundled with steel straps, wrapped with waterproof materials, and loaded into containers or onto open‑top vessels. We also provide end‑caps, protective coatings, and special packaging upon request to prevent damage during ocean transit. Packaging solutions can be customised to meet your logistics requirements.
Q
Can you provide samples before I place a bulk order?
Yes, we can provide samples for quality verification. Sample charges and shipping costs are usually borne by the buyer, but we will refund the sample cost upon confirmation of a formal bulk order. Lead time for samples is typically 7–10 days depending on the specifications. Please contact us to arrange sample production and delivery.
About Us
Rongheng Intelligent Manufacturing (Tianjin) Import & Export Co., Ltd. is a professional international sales platform wholly owned by Tianjin Gefu Steel, specializing in the global export of steel pipes, steel profiles, and metal raw materials.
Backed by the parent company's years of experience in the steel industry, Rongheng integrates R&D, production, manufacturing, and sales to provide a well-established supply and service system. With a stable supply chain, large-scale manufacturing capabilities, and an experienced international trade network, the company provides customers worldwide with one-stop steel procurement and customized solutions.
We are committed to supplying high-quality, customizable steel products with stable delivery, serving a wide range of applications including construction projects, oil and gas transportation, infrastructure development, industrial manufacturing, and other steel-intensive industries.
33 Years
Industry Experience
100 +
Professional Team Members
1,000 +
Customization Options
20,000 m²
20,000 m² of Warehouse Space
RongHeng supplies steel pipes, structural profiles and metal products from China, backed by factory resources, 1.3M+ tons annual volume and export experience.
