High-Quality Rear Frame Castings from China Suppliers | Reliable Factory 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
High-Purity Molten Iron
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. The high-purity molten iron produced by these furnaces is a key factor in achieving castings with few porosity issues. This high level of purity contributes to the overall compaction of the product, resulting in counterweights that are dense and robust.
Vacuum Casting Process
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.
Efficient Post-Processing
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.
Large-Scale Production
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
Q: How do the blast furnaces improve the quality of the counterweights?
The inclusion of two blast furnaces ensures the production of high-purity molten iron. This high level of purity is key to minimizing porosity issues and achieving dense, robust, and highly compacted castings.
Q: What are the benefits of using the vacuum casting process?
The vacuum process, combined with high-quality molten iron, ensures that the final counterweights exhibit a highly refined, smooth, and uniform surface finish.
Q: Does the smooth surface finish serve a functional purpose?
Yes. Beyond aesthetic benefits, the smooth surface is a critical factor in enhancing the performance and long-term durability of the counterweights across various applications.
Q: How does this production method facilitate easier post-processing?
Because the castings have a highly refined finish, subsequent operations such as machining, coating, or painting require less time and effort, leading to significant cost savings and manufacturing efficiency.
Q: What is the scale and capacity of the manufacturing facility?
The advanced vacuum production process is housed in a spacious 100,000 square meter facility, which supports substantial annual production targets and ensures consistent quality output.
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 |







