Construction and Engineering Material - China Construction and Engineering Material Manufacturers Factory

Construction and Engineering - Engineering Materials & Systems for Structural, Foundation and Infrastructure Projects

Yuanxian High-tech Material Trading (Tianjin) Co., Ltd. provides engineered prestressing steel materials and anchoring systems for highways, bridges, foundations, and heavy structural developments. Since 2007, we have served contractors, precast concrete plants, and industrial distributors across 30+ countries including Spain, France, Sweden, Ukraine, and Peru.

We provide full supply-chain coordination—from standard confirmation and material testing to EN 10204 3.1 certification and seaworthy export packaging.

Prestressed Steel Strand
High Strength Low Relaxation Prestressed Steel Strand is composed of 2, 3, 7, or 19 precisely twisted wires that undergo stabilizing treatment. This thermal-mechanical process locks in the tension,
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Foundation Pit Support System
Foundation Pit Support refers to the temporary retaining, reinforcement, protection, and groundwater control measures adopted during the construction of buildings or underground structures to ensure
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Rotary Drill Teeth Cutter Picks
Rotary drilling bits are core cutting components for infrastructure and mining construction equipment, mainly used for rock breaking, pile foundation drilling, tunnel boring and roadway excavation. .
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Drill Bits And Cutter Picks
Rotary drilling bits are core cutting components for infrastructure and mining construction equipment, mainly used for rock breaking, pile foundation drilling, tunnel boring and roadway excavation. .
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Drill Teeth Cutter Picks For Coal Mine Mining
Rotary drilling bits are core cutting components for infrastructure and mining construction equipment, mainly used for rock breaking, pile foundation drilling, tunnel boring and roadway excavation. .
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Rotary Drill Teeth For Hard Rock Drilling
Rotary drilling bits are core cutting components for infrastructure and mining construction equipment, mainly used for rock breaking, pile foundation drilling, tunnel boring and roadway excavation. .
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Rotary Drill Teeth Cutter Picks For Roadway Excavation
Rotary drilling bits are core cutting components for infrastructure and mining construction equipment, mainly used for rock breaking, pile foundation drilling, tunnel boring and roadway excavation. .
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Rotary Drilling Teeth
Rotary drilling bits are core cutting components for infrastructure and mining construction equipment, mainly used for rock breaking, pile foundation drilling, tunnel boring and roadway excavation. .
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Rotary Drilling Teeth For Infrastructure Projects
Rotary drilling bits are core cutting components for infrastructure and mining construction equipment, mainly used for rock breaking, pile foundation drilling, tunnel boring and roadway excavation. .
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Piling Tools -Three Wing Core Barrel
The Three-Wing Core Barrel is a heavy-duty foundation drilling tool designed for large-diameter rock drilling in challenging geological conditions. It features a distinctive three-wing cutting
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Foundation Drilling Tools Wing Core Barrel
The Three-Wing Core Barrel is a heavy-duty foundation drilling tool designed for large-diameter rock drilling in challenging geological conditions. It features a distinctive three-wing cutting
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Rotary Drilling Tools Three Wing Core Barrel
The Three-Wing Core Barrel is a heavy-duty foundation drilling tool designed for large-diameter rock drilling in challenging geological conditions. It features a distinctive three-wing cutting
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Core Product Portfolio

01/

Prestressed Steel Strand (7-Wire Low-Relaxation)
Engineered for post-tensioned and pre-tensioned concrete structures requiring high fatigue resistance and low stress relaxation.
• Applicable Standards: ASTM A416 / A416M Grade 270, EN 10138-3, BS 5896, ISO 6934-4, AS/NZS 4672
• Common Diameters: 9.53mm (3/8"), 12.7mm (0.5"), 15.24mm (0.6"), 17.8mm
• Tensile Strength Grades: 1860 MPa (270 ksi), 1770 MPa
• Relaxation Rate: <= 2.5% (1000-hour test at 70% nominal breaking load)
• Surface Types: Bare / Uncoated, Galvanized, PE-Coated Grease / Wax Filled (Epoxy optional)
• Key Applications: Bridge girders, elevated highways, stay cables, LNG storage tanks, underground retaining walls.

02/

PC Steel Wire (Prestressed Concrete Wire)
Cold-drawn, high-tensile steel wire designed for precast elements requiring controlled dimensions and uniform mechanical behavior.
• Applicable Standards: GB/T 5223, ASTM A421, EN 10138-2, ISO 6934-2

• Diameter Range: 4.0mm, 5.0mm, 6.0mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm
Surface Profiles: Smooth / Plain, Indented (Three-side / Four-side), Spiral Ribbed
• Key Applications: Precast concrete railway sleepers, utility poles, concrete pipes, hollow core slabs

03/

Anchorage Systems & Post-Tensioning Hardware
Matching anchor heads, wedges, bearing plates, and couplers designed for reliable force transfer in post-tensioned structures.
• Anchor Types: M13 Series (for 12.7mm strand), M15 Series (for 15.24mm strand)
• System Components: Anchor heads, working wedges, cast iron anchor plates, plastic / metal corrugated ducts, couplers
• Anchoring Efficiency: Anchorage efficiency factor (Ea) >= 0.95 (tested with matching strands)
• Key Applications: Cast-in-place bridges, slab-on-grade post-tensioning, ground anchors

04/

Foundation & Ground Support Hardware
Custom structural elements and support components built for challenging soil conditions, deep foundation excavations, and slope stabilization.
• Product Range: Soil nail rods, tieback anchors, threadbars, dynamic rock bolts
• Key Applications: Deep foundation pit retention, tunnel support, slope reinforcement, maritime infrastructure

Technical Standards & Quality Control

To guarantee structural safety, all engineering materials undergo full-process quality verification:
[ Incoming Wire Rod Inspection ] -> [ In-Line Cold Drawing & Stress Relieving ] -> [ 1000h Relaxation & Tensile Test ] -> [ MTC 3.1 & Export Packaging ]

Mill Test Certificate (MTC): Every shipment includes EN 10204 3.1 certification covering chemical composition, yield strength, tensile strength, elongation, and relaxation rate.

Third-Party Inspection: We accommodate pre-shipment testing and factory audits by SGS, Bureau Veritas (BV), TÜV, or client-appointed inspectors upon request.

Seaworthy Export Packaging:
• Heavy-duty steel pallet / steel runner support
• Eye-to-Sky or Eye-to-Wall coil orientation
• Multi-layer protection: Anti-rust VCI paper + Inner plastic film + Outer HDPE woven wrap + Steel strapping

RFQ Checklist for Procurement Managers

Parameter	Example Information Required
Product Type & Standard	PC Strand 12.7mm / ASTM A416 Grade 270 Low-Relaxation
Total Quantity	120 Metric Tons
Target Packaging	Eye-to-Sky, Max 2.5 to 3.0 Tons per coil
Destination Port & Incoterms	CIF Callao, Peru or FOB Tianjin Port
Testing & Inspection	EN 10204 3.1 MTC required + SGS Third-Party Inspection
Project Schedule	Delivery required at site within 45 days

FAQ

Q: Do you supply Mill Test Certificates (MTC) with each shipment?

A: Yes. All deliveries are supplied with EN 10204 3.1 MTC covering full heat number traceability, mechanical testing (tensile, yield, elongation), and dimensional tolerances.

Q: Can you manufacture non-standard strand diameters or custom coil weights?

A: Yes. Custom coil weights (ranging from 1.5 tons to 3.5 tons) and specific surface treatments can be produced based on project specifications and site handling limits.

Q: What third-party testing services do you accept?

A: We accept pre-shipment sampling and testing by SGS, Bureau Veritas (BV), Intertek, or TÜV to verify tensile strength, relaxation rates, and zinc coating thickness (for galvanized products).

Q: What is the typical lead time for international bulk shipments?

A: Production lead time generally ranges from 15 to 25 days depending on standard product availability and total tonnage. Shipping duration depends on the destination port.
o., Ltd.

Yuanxian High-tech Material Trading (Tianjin) Co., Ltd. is one of the most professional construction and engineering material manufacturers and suppliers in China. We warmly welcome you to buy discount construction and engineering material in stock here and get pricelist from our factory. All customized products are with high quality and low price.

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