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Precision-manufactured structural props and modular scaffolding frameworks optimized for drydock hull blocking, offshore platform refits, and high-load marine engineering.
As commercial fleets expand, deep-water exploration deepens, and offshore wind farms scale globally, scaffolding props and temporary shoring systems face unprecedented structural and environmental challenges.
Modern mega-vessels (VLCCs, 24,000+ TEU container ships) and semi-submersible drilling platforms impose concentrated point loads exceeding several hundred kilonewtons during drydocking. Standard construction props are inadequate; naval yards require certified class-A to class-E heavy-duty shoring props featuring drop-forged collars, micro-adjustable self-cleaning acme threads, and high-yield structural steel (Q235 to Q355 / S355NH) capable of handling immense dynamic ballast transfers without axial buckling.
Offshore installations, FPSO vessels, and marine repair quays operate under severe atmospheric and immersion conditions characterized by constant saline mist, high humidity, and electrochemical degradation. Modern scaffolding props utilize heavy hot-dip galvanization (minimum 55–85 μm conforming to EN ISO 1461) or specialized zinc-nickel and epoxy coatings to withstand 1,000+ hours of salt spray testing without pitting, seizing, or structural loss of wall thickness.
Drydock demurrage fees frequently exceed $50,000 per day, demanding quick-erection shoring towers and modular props. Inside ballast tanks, cargo holds, and engine room cofferdams, space is strictly constrained. Lightweight yet high-tensile adjustable props, integrated with quick-release captive pins and universal swivel base plates, reduce assembly times by up to 40% while preserving strict DNV, ABS, and OSHA safety factors.
During drydock overhauls, vessel weight must be transferred uniformly from buoyant water to land-based blocks and auxiliary props. Scaffolding props serve as essential side-shoring stanchions, supporting curved hull bilge strakes, bulbous bows, rudder assemblies, and propeller shafts.
In modular shipbuilding, large pre-outfitted blocks weighing up to 800 tons require multi-point vertical and diagonal propping during alignment and automatic sub-arc welding. Adjustable heavy-duty steel props provide millimeter-level leveling precision, absorbing localized thermal expansion and dynamic wind loading across exposed coastal shipyards.
Offshore oil platforms and Floating Production Storage and Offloading (FPSO) units undergo non-stop vibration, marine wave impacts, and volatile hydrocarbon exposure. Temporary shoring during flare tip replacements, gas compressor overhauls, and piping module revamps demands fire-resistant, spark-free, high-capacity props.
In the offshore renewable sector, assembling transition pieces (TP) and monopile jackets requires heavy telescopic props to secure heavy flange connections before hyperbaric grouting. Our heavy-duty props offer high axial stiffness and anti-sway bracing clamps tailored for offshore lifting and structural stabilization.
Engineered to comply with EN 1065, BS 4074, and AS 3610 marine classification benchmarks, offering unmatched axial load carrying capacities across all extension lengths.
| Model Series | Adjustable Length (m) | Tube Spec (Outer/Inner mm) | Wall Thickness | Safe Working Load (Closed / Extended) | Surface Finish | Target Marine Application |
|---|---|---|---|---|---|---|
| JK-MP-250 (Light Marine) | 1.50 - 2.50 m | Ø 60.3 / Ø 48.3 | 2.50 mm / 2.75 mm | 32.5 kN / 24.0 kN | Hot-Dip Galvanized / Electro-Galv | Internal Ballast Tank & Cofferdam Staging |
| JK-MP-350 (Standard Naval) | 2.00 - 3.50 m | Ø 60.3 / Ø 48.3 | 3.00 mm / 3.25 mm | 36.8 kN / 21.5 kN | HDG (≥65 μm) / Zinc Flake | Shipyard Hull Bilge Support & Deck Overhauls |
| JK-MP-450 (Heavy Offshore) | 2.50 - 4.50 m | Ø 76.0 / Ø 63.5 | 3.50 mm / 4.00 mm | 48.0 kN / 31.2 kN | C5-M Certified Heavy HDG | FPSO Topside Modules & Subsea Template Shoring |
| JK-HD-600 (Mega Shoring Tower) | 3.50 - 6.00 m | Ø 88.9 / Ø 76.1 | 4.00 mm / 4.50 mm | 85.0 kN / 58.4 kN | Marine Epoxied HDG Coated | Drydock Keel Block Aux Support & Offshore Wind TPs |
Established in 1998, Tianjin Jinke Construction is a professional scaffolding manufacturer and solution provider based in Tianjin, China. With 28 years of manufacturing experience, we have grown from a local factory into a trusted international supplier. Since 2012, we have been engaged in export business and now have more than 14 years of experience serving global customers. We focus on safe, reliable and high-quality scaffolding products to support construction projects around the world.
Our story began in 1998 with a simple goal: to provide strong and safe scaffolding products. In the early years, we focused on improving production technology and quality control. As we grew, we invested in modern workshops and automated equipment to meet higher industry standards.
In 2012, we started our international business and quickly earned recognition from overseas buyers for stable quality and on-time delivery. Over the years, we have kept improving our products and services, attending global exhibitions and building long-term partnerships with customers from different countries. Today, we remain committed to our original spirit: professionalism, quality and trust.
We specialize in the design, production and sales of scaffolding systems and accessories. Our main products include:
We provide full customization services for global clients, including private labeling, standard size customization and special non-standard products. All our products comply with GB / ASTM / DIN / JIS standards and have obtained authoritative certifications such as ISO, CE, SGS and EN.
Our products are widely used in exterior wall maintenance, urban construction, housing decoration, aerial work, shopping malls, airports, factories, engineering maintenance and other construction fields, as well as marine shipyards and offshore facilities.
Precision robotics, strategic seaport location, and uncompromising quality assurance built for heavy industrial & offshore demands.
Our factory covers 70,000 square meters with advanced processing workshops, assembly lines and robotic precision welding workshops. Our annual output exceeds 300,000 tons, supporting large orders and stable supply across international maritime corridors.
We are located only 40 km away from the port, with excellent transportation and logistics conditions. This ensures fast, efficient and reliable delivery for every order.
We carry out strict quality inspection in every production process. Our products meet multiple international standards and hold authoritative certifications, ensuring safety and compliance.
Experienced technical and sales teams providing engineering calculations, customized prop configurations, and comprehensive technical after-sales support.
Honored by Tianjin Municipal Government and Quality Supervision Bureau for integrity, standardized safety, and manufacturing excellence.
Our corporate culture is built on Quality First, Safety First, Customer Focus and Continuous Improvement. We believe that good products come from strict management and responsible production. We value integrity, professionalism and teamwork, and encourage every employee to take pride in product quality and customer satisfaction.
We have a stable and professional team with rich experience in scaffolding production, design, quality control and international trade. Our management system is standardized and efficient, covering production, safety, quality and logistics. We pay attention to employee training and team cooperation to ensure stable and high-quality operation for long-term development.
Explore our full line of export-grade certified scaffolding systems, heavy shoring props, suspended cradles, and marine steel accessories.
