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致力于节能减排技术的研发与应用，现有业务聚焦于造纸行业重要设备的设计、制造、销售以及与节能降耗和环境保护相关的技术服务和工程实施 -
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Blog
Blog
Focusing on the research, development, and application of energy-saving and emission-reduction technologies, with deep expertise in energy efficiency and consumption reduction within the ventilation and drying segments of the paper-making industry.
Blog – Hunan Zhengding Environmental Technology Co., Ltd.
11
2026-05
Recently, good news arrived from Algeria in Africa: the Jielong Paper Industry’s 4,400 mm × 550 m four‑drum, three‑press paper machine project has been successfully commissioned, achieving the outstanding result of “reaching full production capacity right from startup”! At this exciting moment, the hood system and the paper machine ventilation system—custom‑designed and manufactured by Hunan Zhengding Environmental Technology Co., Ltd.—have provided robust support for the project’s efficient implementation, thanks to their mature and professional expertise.
2026-05-11
14
2025-12
On December 12, 2025, Shandong Jin Cai Lun Paper Co., Ltd. successfully commissioned its flagship project—the PM19 machine—following meticulous preparation and fine-tuning. The entire production line is operating smoothly, with the first roll meeting quality standards and all performance indicators fully compliant with design specifications, marking a milestone in the company’s journey of capacity expansion and technological innovation.
2025-12-14
![[Good News] Jin Cailun Paper’s PM19 machine has successfully entered production! Zhengding Environmental is helping to propel a major leap in production capacity!](https://omo-oss-image.thefastimg.com/portal-saas/pg2025112709174960722/cms/image/639cb925-b5ec-4a9b-b739-e6d9fad9a6af.png "[Good News] Jin Cailun Paper’s PM19 machine has successfully entered production! Zhengding Environmental is helping to propel a major leap in production capacity!")
30
2025-09
In September 2025, Yunnan Dongsheng Paper Industry Co., Ltd. marked a historic milestone: its high-speed paper machine—featuring a web width of 6,600 mm and a operating speed of 1,000 m/min—was successfully commissioned, coinciding with the company’s 30th anniversary celebrations. A double celebration that has drawn widespread attention from the industry!
2025-09-30
30
2025-05
On May 26, the Hunan Provincial Department of Industry and Information Technology released the list of specialized, refined, distinctive, and innovative small and medium-sized enterprises for 2025, and Hunan Zhengding Environment was recognized as one of them.
2025-05-30
19
2025-05
Warm congratulations on the successful commissioning of PM18 at Shandong Jincailun Paper Co., Ltd.
At a pivotal moment in the paper industry’s development, Shandong Jin Cai Lun Paper Co., Ltd. has announced an exciting milestone: PM18 has been successfully commissioned!
2025-05-19
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