Construction Materials.
Construction Materials Wholesale – Cement, Steel, Pipes & Boards | SIYUNJO INTERNATIONAL
About This Category
Our Construction Materials line covers the essential building blocks for residential, commercial, and infrastructure projects. Leveraging our team’s deep experience in the building materials export sector — including years of hands-on involvement in international construction material supply chains — we provide reliable, specification-compliant products at competitive prices. From foundation to finishing, we supply the materials that build the world.
Wholesale construction materials including cement, steel reinforcement, PVC pipes, gypsum boards, insulation materials and waterproofing products. CE and ISO certified. MOQ from 50 tons. Factory-direct pricing.
SIYUNJO INTERNATIONAL
Product Range:
1. Steel Products
· Hot rolled steel coils, sheets, and plates (Q235, Q355, SS400 grades)
· Steel bars and rebar (HRB400, HRB500, various diameters)
· Steel profiles: I-beams, H-beams, angle steel, channel steel
· Galvanized steel products: sheets, coils, pipes, profiles
· Stainless steel sheets, pipes, and profiles (304, 316 grades)
· All steel products meet ASTM, BS, and Chinese GB standards
2. Cement & Concrete Products
· Portland cement (32.5, 42.5, 52.5 grades)
· Ready-mix concrete additives and admixtures
· Precast concrete components: blocks, panels, pipes
· Cementitious waterproofing materials
· Suitable for all construction applications from residential to infrastructure projects
3. Masonry Materials
· Clay bricks, concrete bricks, and fly ash bricks
· Aerated concrete blocks (AAC blocks) in various sizes
· Mortar, grout, and plastering materials
· Thermal insulation blocks for energy-efficient construction
· High compressive strength, excellent thermal performance
4. Roofing Materials
· Asphalt shingles, metal roofing sheets, and tile roofing
· Roofing membranes and waterproofing materials
· Roof insulation materials and ventilation systems
· Roof trusses and structural components
· Durable, weather-resistant, suitable for all climate types
5. Structural Components
· Pre-engineered steel building components
· Formwork and scaffolding systems for construction
· Fasteners, anchors, and hardware for structural applications
· Expansion joints and seismic protection components
· Suitable for both concrete and steel structure buildings
Technical Specifications Table:
| Product | Grade/Type | Key Specifications | Standard | Application |
| Steel Rebar | HRB400E | Diameter 6mm-40mm, yield strength ≥400MPa | GB 1499.2, ASTM A615 | Concrete reinforcement |
| Portland Cement | 42.5R | Compressive strength ≥42.5MPa at 28 days | GB 175, ASTM C150 | General construction |
| AAC Block | 600kg/m³ | Compressive strength ≥3.5MPa, thermal conductivity ≤0.16W/mK | GB/T 11968 | Non-load bearing walls |
| Galvanized Steel Coil | DX51D+Z | Zinc coating 80-275g/m², thickness 0.12-4.0mm | GB/T 2518, ASTM A653 | Roofing, cladding, construction |
| Gypsum Board | Standard | Thickness 9.5mm, 12mm, 15mm, fire/water resistant options | GB/T 9775, ASTM C1396 | Interior walls and ceilings |
Applications:
· Residential housing developments
· Commercial office buildings and retail complexes
· Industrial facilities, warehouses, and factories
· Infrastructure projects: roads, bridges, dams, airports
· Public facilities: schools, hospitals, government buildings
· Renovation and remodeling projects
Need construction materials for your project? Contact claire@siyunjo.com for specifications and bulk pricing.