Hunan Zhengda Jingyan Manufacturing Co., Ltd.

Hunan Zhengda Xianke Machinery Manufacturing Co., Ltd. is a high-tech company dedicated to the research and development, optimization, manufacturing, sales, and service of high-consistency refining system process technology for short and medium-length plant fiber raw materials. Over 90% of China's papermaking raw materials are short and medium-length fibers, which are highly suitable for high-consistency refining processes. Since its establishment, the company has conducted long-term research and development on key technical challenges in high-consistency refining processes and equipment, such as thickening, conveying, and refiner plate design (e.g., avoiding fiber cutting). The developed high-consistency refining system includes complete sets of equipment such as high-consistency refiners, patented no-load refiner plates, belt thickeners, and bulk material conveying screws. It has obtained 10 authorized invention patents and 4 utility model patents. The design and manufacturing of the system equipment have reached the domestic advanced level. Currently, more than 40 production lines have been converted from traditional low-consistency refining to high-consistency refining, creating enormous economic benefits for customers. Products are exported to the United States, the Middle East, and Southeast Asian countries.
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