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China Manufacturer Concrete Construction Formwork Column Adjustable Square Column Clamp
US$0.59-3.29
100 Pieces
Sample price:US$0.99/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
as SpecificationWarranty
as SpecificationModel NO.
JF-3322556611Application
Machine Parts, Transportation, Decorations, ConstructionCertification
CCC, CE, ISOSurface Treatment
YesTechnics
Stamping+BendingMaterial
SteelType
FastenersItem
Column ClampPart Type
Building PartsExport Markets
GlobalShipping Port
QingdaoPlace of Origin
ChinaTransport
by Sea or AirPacking
Wooden Cases or CartonWeight
CustomizedSample
7 Days ReadyProcessing
as Per Your DrawingMaterials
as Per RequestAfter-Sale Service
DefinetlyCertificate of Origin
as Per RequestName
Column ClampPayment
T/T,L/CTransport Package
Plywood BoxSpecification
As your requirementTrademark
jufengOrigin
Weifang City, Shandong Province, ChinaHS Code
7326199000Production Capacity
50000PCS/MonthKey features
10-Year Service Life: Durable construction ensures a long service life of up to 10 years with easy maintenance.
Fast Installation: Two workers can install a 4m column within 12 minutes without needing tie rods.
High-Quality Material: Made from high-strength Q345B galvanized steel for corrosion and rust resistance.
Customizable Weight: Weight is customized based on specific project requirements and drawings.
OEM Service Available: OEM service is available to meet specific design and manufacturing needs.
Certified Quality: Products hold CCC, CE, ISO, ISO 9001, and SGS certifications for quality assurance.
Labor Cost Saving: Unskilled labor can install and dismantle the system using only hammers.
Flexible Operation: System can be lifted by tower crane or dismantled and installed manually.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedExport Year: 9 Years CertifiedNearest Port: Qingdao Port, Shanghai PortAverage Response Time: ≤2.43h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryWeifang Jufeng Metal Products Co., Ltd. is a China-based limited company established in 2017, with inconsistent employee records of 5, 29, and quality-control staffing of 6–10. It offers metal stamping, fabrication, welding, punching, automotive, and related products, and is identified as a trading company despite describing its own-factory production capability. The supplier reports three production lines, stated output capacities across several product categories, broad export-market coverage, and port access through Qingdao, Tianjin, and Shanghai. It holds an ISO9001:2015 certificate and reports quality inspections during production. R&D evidence is positive: one year of total R&D-engineer experience is stated, new products were developed in the past year, and ODM plus multiple customization methods are available. However, there is no available SDK, no overseas showroom, no overseas agents or branches, no offline trade-show participation, and no overseas service countries reported. Financial...
CertificationsThe supplier explicitly reports holding an ISO9001:2015 certificate. This provides direct evidence of a certified quality-management system, although no certificate number, scope, or issuing body is supplied.
R&D capabilityThe supplier reports one year of total R&D-engineer experience, new products within the past year, ODM availability, and multiple customization methods. These are positive indicators of active product development, while the absence of an available SDK limits evidence for software or platform integration capability.
Production capacityThe supplier reports three production lines and category-specific capacities for mailboxes, metal fabrication parts, cabinets, stamping parts, and auto parts, alongside broad export-market coverage and access to Qingdao, Tianjin, and Shanghai ports. However, employee counts vary across records and the supplier is also classified as a trading company, so the scale and direct-manufacturing structure require verification.
Customization capabilityThe supplier explicitly offers OEM, ODM, smaller quantities, flexible customization, minor and full customization, customization from designs, and customization from samples. It also claims to provide exclusive and unique solutions, directly supporting a broad customization offering.
Product Q&A
Q:What is a Square Column Shuttering Clamp?
A:
A Square Column Shuttering Clamp, commonly called a Column Ring Clamp or Column Formwork Clamp, is a specialized, adjustable steel clamp designed specifically to secure the four-sided formwork (shuttering) for square or rectangular concrete columns. It applies uniform, high-pressure clamping force on all four sides simultaneously to withstand the lateral pressure of wet concrete, ensuring precise dimensional accuracy and preventing bulging or misalignment.
Q:What are the key advantages of using a column ring clamp system?
A:
High Precision & Accuracy: Ensures perfectly square/rectangular columns with consistent dimensions and sharp, clean corners. Rapid Assembly & Stripping: The modular, single-unit design is significantly faster to install and remove than assembling individual walers and tie rods for each column. High Reusability & Durability: Made from heavy-duty steel, it can be reused hundreds of times across projects. Labor & Cost Efficiency: Reduces labor time and eliminates the need for numerous loose compone
Q:What materials and specifications are your clamps made from?
A:
Our clamps are engineered for maximum strength and longevity: Main Frame: High-Tensile Carbon Steel (Q345B/S355JR). Adjustment Mechanism: Grade 8.8 Steel Threaded Rods and Forged Steel Wedges or Lever Handles. Pressure Points/Heads: Hardened Steel for wear resistance at contact points with the formwork. Standard Finish: Hot-Dip Galvanized (HDG) for superior corrosion resistance in outdoor site conditions. Alternative: Electro-galvanized or painted finishes available.
Q:What column sizes (dimensions) do your clamps accommodate?
A:
We offer a versatile range to cover common and large column sizes: Adjustable Range: Our standard models typically adjust to fit columns from 150x150mm (6'x6') up to 1200x1200mm (48'x48') and beyond. Fixed Sizes: Also available for high-volume projects requiring a specific, repetitive column size. Custom Sizes: We can design and manufacture clamps for any specific square or rectangular dimension upon request.
Q:How is the clamping force applied and adjusted?
A:
We offer two primary adjustment systems for different user preferences: Wedge & Pin System (Most Common): Place the clamp frame around the assembled column formwork. Insert the steel pin through aligned holes in the overlapping clamp arms. Drive the tapered steel wedge firmly with a hammer to apply and lock the precise tension. Threaded Screw System: Position the clamp. Turn the four corner screw mechanisms evenly with a wrench to achieve uniform pressure on all sides. Both systems provide excel
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