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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.
06
2026-10
The Jiangsu Xingguang New Materials PM8 project has successfully commenced operations.
Good news from the Xuzhou, Jiangsu project site: the enclosed hood ventilation system for the PM8 machine—designed, manufactured, and installed by Zhengding Environmental—has been successfully commissioned, with a production speed of 2,640–500 m/min for decorative base paper.
2026-10-06
01
2026-10
National Day Tribute | Steadfastly Devoting Ourselves to Ordinary Roles—Perseverance Itself Is a Commitment
2026-10-01
08
2026-09
Zhengding Environment has been honored as a “Contract-Honoring and Credit-Keeping Enterprise” of Changsha City for 2025.
2026-09-08
03
2026-09
Hunan Zhengding Environmental Technology Co., Ltd. has once again secured a landmark project at a major domestic paper mill, providing Jiangxi Liwen Paper Co., Ltd. with a complete set of dust-collection equipment in a single installation. The solution encompasses dust-collection systems for six 2,850‑mm paper machines and six 2,850‑mm rewinding machines, totaling 12 independent dust-collection systems.
2026-09-03
02
2026-07
Congratulations to Shandong Tai’an Yuanwang Energy Investment (Taizhong Specialty Paper) on the successful commissioning of its 300,000-ton project for functional paper substrates and auxiliary materials! Hunan Zhengding Environmental Technology Co., Ltd. undertook the design, fabrication, installation, and commissioning of the enclosed hoods, ventilation systems, and heat recovery systems for the project’s five production lines. The first phase, comprising lines PM5 and PM6, has been delivered and is now operating stably.
2026-07-02
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
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Xiangtan Branch: Yuhu High-Tech Industrial Development Zone, Xiangtan City, Hunan Province, China
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