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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
28
2025-07
Hunan Zhengding invites you to join us at CIPTE—see you in Shanghai from August 13 to 15!
Hunan Zhengding Environmental Technology cordially invites you to the 2025 China International Papermaking Technology Exhibition. From August 13 to 15, we will be proudly showcasing our innovations at Hall H1, Booth A9152, at the Shanghai World Expo Exhibition Center. Here, cutting-edge technologies will converge and green principles will come together. We look forward to exploring new pathways for sustainable papermaking with you and embarking on a new journey toward a greener industry!
2025-07-28
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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Address: Room 908–909, New World Chuangdi, No. 139, Laodong East Road, Yuhua District, Changsha City, Hunan Province
Xiangtan Branch: Yuhu High-Tech Industrial Development Zone, Xiangtan City, Hunan Province, China
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