High-Quality Rear Frame Castings from China Factory – Trusted Suppliers with 75,000 Tons Annual Production Capacity
Manufacturing technique |
Automatic molding of clay sand |
Material |
QT600-3,QT600-6,QT650-5,QT650-6,QT700-5, QT700-10,GQT800-5 |
Weight range |
2kg-200kg |
Surface Treatment |
Shot blasting,Polish,Rust prevention treatment |
OEM |
Yes |
Producing area |
Shandong province,China |
Production Capacity |
An annual output of 40,000 tons |
🚀 PRODUCT INTRODUCTION
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Advanced Smelting
The operation is further enhanced by the inclusion of two blast furnaces, which play a crucial role in ensuring the quality of the molten iron used in the casting process.
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High Purity & Density
The high-purity molten iron produced by these furnaces is a key factor in achieving castings with few porosity issues, resulting in dense and robust counterweights.
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Refined Surface Finish
The vacuum process ensures final products exhibit a refined and uniform finish, which is a critical factor in enhancing performance and durability.
Moreover, the smooth surface of the castings is a standout feature of this advanced production method. The vacuum process, coupled with the use of high-quality molten iron, ensures that the final products exhibit a refined and uniform finish. This smooth surface is not just an aesthetic benefit but also a critical factor in enhancing the performance and durability of the counterweights in various applications.
The refined finish achieved through this production method also facilitates easier post-processing, such as machining, coating, or painting, if required. This can lead to additional cost savings and efficiency in the manufacturing process, as less time and effort are needed to prepare the castings for their final use.
In summary, the production of counterweights using the vacuum method, supported by two blast furnaces, results in high-quality castings characterized by minimal porosity, high compaction, and a smooth surface. This efficient and effective production process, housed in a 100,000 square meter facility, underscores the commitment to excellence and the ability to meet substantial annual production targets.
Frequently Asked Questions
How does the blast furnace system improve casting quality?
The two blast furnaces produce high-purity molten iron, which is essential for minimizing porosity and ensuring the structural compaction of the counterweights.
What are the benefits of the vacuum production method?
The vacuum method ensures a refined finish and high-density compaction, significantly reducing internal defects and improving the overall durability of the product.
Does the surface finish affect post-processing?
Yes, the smooth and uniform surface makes secondary operations like painting, coating, and machining much more efficient and cost-effective.
What is the scale of your production capacity?
Our facility spans 100,000 square meters, allowing us to maintain high-volume annual production targets while ensuring consistent excellence.
Are these counterweights suitable for high-performance applications?
Absolutely. The combination of high-purity iron and the vacuum casting process results in robust, dense products designed for maximum performance.
How do you ensure the density of the counterweights?
Density is achieved through the use of high-quality molten iron and advanced compaction techniques inherent in our specialized vacuum casting process.
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Shipping & Warehousing


Transportation and payment information
1 |
Accepted delivery terms |
EXW,FOB,FCA,CRF,CIF,CPT,DDP |
2 |
Accepted payment currencies |
CNY,USD,GBP,EUR,JPY |
3 |
Accepted payment types |
T/T,L/C,D/P,D/A |







