At Zhejiang Longyuan Sifang Machinery, we are proud to announce a groundbreaking achievement in the rendering and animal protein processing industry: the successful development of our Adjustable Compression Ratio Flexible Dual-Shaft Animal Protein Material Press—officially recognized as a Major Technical Equipment Product by the Zhejiang Provincial Department of Economy and Information Technology.
This innovative press represents a significant leap forward in intelligent, adaptive material processing. Unlike conventional fixed-ratio presses, our system features a real-time adjustable compression ratio, allowing operators to instantly optimize pressure based on the physical properties of the input material—whether it’s soft poultry viscera, dense fish bones, fibrous intestines, or mixed slaughterhouse offal.
The dual-shaft design ensures uniform feeding, gentle yet efficient dewatering, and minimal mechanical damage to valuable protein structures. Thanks to its flexible control system, the machine automatically adapts torque, speed, and compression force to maintain ideal moisture content and oil yield across diverse raw materials.
This equipment is universally applicable across a wide range of animal sources:
No matter the feedstock variability—seasonal changes, species differences, or moisture fluctuations—our press delivers consistent, high-quality output of meat and bone meal and animal fat (oil), meeting international standards for safety and nutritional value.
Moreover, the entire system is integrated with an intelligent PLC control platform, enabling remote monitoring, data logging, and predictive maintenance. This not only enhances operational efficiency but also supports compliance with modern food safety and environmental regulations.
As the first-of-its-kind in Zhejiang Province’s key industrial fields, this invention underscores Sifang’s commitment to technological self-reliance, sustainability, and global competitiveness. It solves long-standing challenges in traditional rendering—such as low oil recovery, inconsistent meal quality, and inflexible processing lines—by putting intelligence and adaptability at the core of mechanical design.
Installed in plants across Asia and beyond, this press is already transforming how the industry handles complex, heterogeneous biological materials.
Zhejiang Longyuan Sifang continues to lead the future of smart, green rendering technology—where innovation meets reliability.
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