Side mounted twist locks are shipping container connection device...
Hansheng Casting specialized in manufacturing and selling Contain...
Machining container parts, such as twistlocks, requires precision...
Container Parts are the key components of the container structure, and its basic structure is as follows. First of all, container parts are usually made of high-strength steel or aluminum alloy and other materials, which have load-bearing capacity and corrosion resistance, and can operate stably for a long time in various harsh environments. Secondly, the structural design of container parts is precise, enabling modular production and assembly, making manufacturing and maintenance easier.
In terms of application, container parts are widely used in fields such as international freight, land transportation, and temporary storage. In international freight, container parts form a standardized container structure, providing a convenient way of transporting goods for international trade. In land transportation, container parts are used in the cargo boxes of various trucks and trailers, providing guarantee for the fast and safe transportation of goods.
Ningbo Hansheng Machinery Parts Co., Ltd. (Ningbo Yifei Machinery Parts Co., Ltd.) is a manufacturer specialized in customized die casting, investment casting, sand casting and forging service. Our factory locates in Ningbo City, Zhejiang Province. Yifei was founded in 2003, with a floor area of 5,000 square meters. We have established quality assurance system conforming to ISO9001：2000 standard.
As China Container Casting Parts Manufacturers and Container Casting Parts Suppliers, most of our products are exported to the United States, the United Kingdom, Spain, Germany, France and some other European countries. We mainly serve the following industries: construction hardware, automobiles and off-road vehicles, engineering machinery, construction tools, electrical control, mechanical packaging equipment, medical equipment, precision optical equipment, printing equipment, security control systems, sports equipment, textile machinery, compressors, conveying systems, cranes, flow meters, marine hardware, pump impellers, valves, transportation equipment, etc.
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Ningbo Hansheng Machinery Parts Co., Ltd. (Ningbo Yifei Machinery Parts Co., Ltd.) is a Container Casting Parts manufacturer and supplier based in Ningbo, Zhejiang, China. Founded in 2003 and operating from a 5,000 m² facility, we produce container corner castings, twistlocks, lashing equipment, and fixed fittings through sand casting, investment casting, die casting, and forging. Our parts serve container manufacturing, logistics fleets, port terminals, and intermodal transport equipment. We support OEM projects with dimensional control, material certification, and surface treatment options.
We supply three main product groups under this category. Each group addresses specific connection, locking, or structural requirements in container handling and transportation.
ISO 1161 corner castings (top left/right, bottom left/right) in special cast steel, 178 mm × 162 mm × 118 mm, 11 kg/piece. Available with BV or ABS certification. Also includes bridge fittings, dovetail foundations, single/double stackers, welding cones, lashing eyes, eye plates, turnbuckles, and lashing bars. Used on dry cargo, reefer, open-top, and GP containers.
Manual, semi-automatic, dovetail, and intermediate twistlocks machined via CNC for precise fit with corner castings. Side-mounted twistlocks (ZG 270/500 steel, hot-dip galvanized) for bolting or welding to footings. Essential for securing containers to chassis, ship decks, or container buildings.
Lashing D-rings (galvanized or forged steel), tension levers, lashing bars, and related spare parts. Designed for lashing systems on trailers, trucks, and vessel decks. Hot-dip galvanized or powder-coated for corrosion resistance in marine environments.
We select materials based on load rating, corrosion exposure, and applicable standards. The table below summarises our typical material grades and their primary applications.
| Material | Typical Grade / Standard | Common Applications |
|---|---|---|
| Special Cast Steel | ZG 270/500, ISO 1161 | Corner castings, twistlock bodies |
| Ductile Iron | QT400–QT600 | Fixed fittings, lashing D-rings |
| Alloy Steel | 30CrMo, 42CrMo | High-strength twistlocks, tension levers |
| Carbon Steel | WCB, LCC, ASTM A216 | General-purpose fittings, stackers |
We produce container parts through sand casting, investment casting, die casting, and forging, depending on the part geometry, quantity, and mechanical requirements. Key production equipment includes wax injection machines, CNC machining centers, and heat treatment furnaces. Quality assurance follows ISO 9001:2008, with 100% dimensional inspection and material verification via spectrometer. For corner castings, we can provide BV or ABS certification upon request.
Container casting parts are used in standard freight containers, refrigerated containers, open-top containers, and special project containers. They also serve intermodal chassis, trailer bogies, port cranes, and lifting equipment. Our parts are designed to meet ISO 1161 and EN 12079 dimensional and strength requirements, ensuring interchangeability with global container fleets.
For port and terminal applications, we supply lashing rings and bridge fittings that withstand repeated loading cycles. For container buildings, side-mounted twistlocks allow structural attachment without additional support legs. We also support custom designs for non-standard container sizes or specialized transport frames.
To prepare a quotation and select the appropriate casting or forging process, we need the following project details:
Our engineering team reviews the working point, load conditions, and production target before recommending a casting method and machining sequence. We provide samples for approval before mass production.
Yes. Our ISO 1161 container corner castings can be supplied with BV or ABS certificates. We also offer material test reports upon request.
Yes. You can order TL/TR or BL/BR individually. The standard set includes 2 TL, 2 TR, 2 BL, and 2 BR, but we accommodate partial sets.
We offer hot-dip galvanizing, powder coating, painting, zinc plating, and epoxy coating. The choice depends on the marine or road transport environment.
Lead time depends on the part complexity and quantity. Standard corner castings and twistlocks are typically shipped within 2–4 weeks after order confirmation. Custom parts may require additional time for tooling.
Yes, we maintain stock of standard ISO 1161 corner castings. Contact us for current availability and pricing.
Yes. We accept OEM orders and can machine twistlocks and other container parts according to your drawing. CNC machining ensures repeatable accuracy for custom designs.
Our portfolio also includes NEXT: Container Lashing Equipment Spare Parts, NEXT: Container Parts/ Container Fixed Fittings, Custom Machining Container Parts / Twistlock (YF-CP-011) Factory for applications with different operating ranges, interfaces or integration requirements.
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