Hardware and Tools
Your Professional Hardware and Tools Supplier
Henan Tongmaoyuan Crane Co., Ltd. is located in Changnao Industrial Park, Changyuan County, Henan Province. The company specializes in the production and R&D of high-end lifting equipment for international markets. It is equipped with advanced facilities for machining, welding, CNC cutting, heat treatment, testing, and inspection. The company operates dedicated workshops for the manufacturing, inspection, and installation of single- and double-girder bridge and gantry cranes.
Why Choose Us
Technical Parameters
We provide optimized technical specifications for single- and double-girder cranes, gantry cranes, and cantilever cranes.
Our Services
Quick Response and Full Lifecycle Support. We offer 24/7 fault response services, with a commitment to respond within 4 hours and provide solutions within 24 hours.
Customized Solutions
We analyze the specific needs of industries such as mining, construction, chemicals, metallurgy, power, transportation, railways, oil fields, and ports to deliver tailored crane selection and design recommendations.
Certifications
We hold the Special Equipment Production License, Administrative License for Special Equipment Manufacturing Units, ISO Quality Management System Certification, Environmental Management System Certification, Occupational Health and Safety Management System Certification, and a Registered Trademark.
Hardware and Tools
|
WLL(t) |
Dimensions(in) |
Weight |
||||
|
320C |
320A |
B |
R |
E |
T |
(lbs) |
|
1/2 |
3/4 |
0.63 |
2.80 |
0.81 |
0.65 |
0.37 |
|
3/4 |
1 |
0.75 |
3.22 |
0.88 |
0.81 |
0.57 |
|
1 |
1 1/2 |
0.91 |
3.66 |
0.97 |
0.81 |
0.77 |
|
1 1/2 |
2 |
1.12 |
4.09 |
1.00 |
0.84 |
1.28 |
|
2 |
3 |
1.25 |
4.69 |
1.12 |
1.19 |
1.73 |
|
3 |
4 1/2 |
1.56 |
5.78 |
1.34 |
1.38 |
3.66 |
|
5 |
7 |
2.00 |
7.38 |
1.69 |
1.78 |
7.19 |
|
7 1/2 |
11 |
2.44 |
9.06 |
2.06 |
2.12 |
13.17 |
|
10 |
15 |
2.83 |
10.09 |
2.22 |
2.72 |
22.15 |
|
Material |
STAINLESS STEEL AISI316, STAINLESS STEEL AISI304, STEEL ELECTRIC GALVANIZED, ZINC ALLOY. |
|
Size |
Different size available. |
|
Surface |
Polished or zinc plated or nickel or chromed or self-color. |
|
Usage |
Marine, bag or pet accessories etc. |
|
Capacity |
100000pcs/Month. |
|
Package |
Clean poly bags in cartons and then on pallets or as customer requirements. |
|
Sample time |
3 days. |
|
Lead time |
10-30 days based on the order quantity. |
|
Payment Terms |
30% deposit in advance, 70% before shipment. |
|
Payment methods |
T/T or Western Union. |
|
QC |
100% inspect before packing, Spot inspect before shipping. |
|
After-sale services |
24 hours reply and free charge exchange goods. |
Features
Anti-Disengagement Mechanism
Incorporates spring-loaded or gravity-based systems to prevent unintended disconnection of the lifting rope.
Over-Travel Protection
Integrated with the crane's lifting system to avoid over-winding, which could lead to hook failure or damage.
Lightweight Construction
Achieved through optimized structural engineering, resulting in reduced self-weight and lower energy consumption by the crane.
Multi-Functional Adaptability
Can be equipped with rotating mechanisms, such as 360° swivel hooks, to enhance operational flexibility in complex environments.
The Role of a Lifting Hook

Lifting Hook Types
Clevis Hooks
This type of hook is made of steel and has a U-shaped opening that allows for easy attachment to a chain or wire rope. Clevis hooks are ideal for heavy-duty lifting, as they can sustain a lot of weight. They are often used in construction, manufacturing, and transportation.
Grab Hooks
Grab hooks are similar to clevis hooks but have a slightly different shape. They have a smaller opening and are designed to grab onto a chain link. This hook helps secure cargo and is often used in flatbed trucking and cargo ships.
Chain Hooks
Chain hooks are hooks that are specifically designed for use with chain slings. They can be used to lift various loads, from heavy machinery to cargo containers. Chain hooks come in a range of sizes and shapes.
Rigging Hooks
Rigging hooks are heavy-duty hooks that are used in large-scale projects, such as building construction or bridge building. They are designed to withstand the extreme weight and pressure of these tasks.
C-Hook
A C-hook is named after its shape, which resembles the letter C. It’s used to carry coils of steel and other rolled materials. C-hooks have a narrow profile, allowing them to fit in tight spaces and narrow aisles.
Ramshorn Hook
A ramshorn hook, also known as a crane hook, has two “legs” extending from the top of the hook. They are used for lifting loads that must be balanced evenly on both hooks. Ramshorn hooks are frequently used in the construction and mining industries.
Claw Hook
A claw hook is a versatile hook with a straight section followed by a gently curved claw. They are used in various applications, from carrying drums and barrels to lifting loads with grabber tongs.
Swivel Hooks
Swivel hooks allow for easy hook rotation while a load is lifted. This feature can be helpful in making sure the load remains level during transportation. Swivel hooks are often used in manufacturing and transportation.
Crane hooks according to their manufacturing
Based on their manufacturing methods and target industry, crane hooks can be forged and laminated.
Forged crane hooks are made from a single piece of high quality low carbon steel, drop forged and slowly cooled for optimal stress resistance. They are simple to manufacture and use, with easy installation.
Laminated crane hooks, on the other hand, are made of multiple steel plates riveted together for higher stress resistance and increased safety. These hooks are designed to continue working even if some parts are damaged.

Packaging Details
General Packing
Wrapping by plastic one by one, cartons with Pallets/wooden cases.
Wrapping by plastic one by one, litter box, master cartons with pallets/wooden case.
Customized packing
Single plastic Bag per piece with barcode, Pre-cartons,or 10pcs per Plastic bag with Label & barcode.
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