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About UsZhengzhou Coal Mining Machinery Green Materials Technology Co., Ltd. (hereinafter referred to as the “Company”) is a wholly-owned subsidiary of Zhengzhou Coal Mining Machinery Group (hereinafter referred to as the “ZCMG Group”), and is an important component of the ZCMG Group’s coal machinery sector’s “integrated” and “intelligent” strategies.
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ProductsCast and forged parts for the entire series of hydraulic supports used in coal mining machinery, cast and forged parts for the entire series of scraper conveyors, castings for oil top drives, castings for gas turbine cylinders, castings for crushers, forgings for tunnel boring machines, and forgings for agricultural machinery equipment, among other products.
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Technological innovationThe company places great emphasis on the integration of industry, academia, and research, and has established a deeply integrated innovation system with universities and research institutions such as Zhengzhou University, Henan University of Science and Technology, Henan University of Technology, and the Zhengzhou Institute of Mechanical Research.
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BlogWe provide abundant industry insights and company updates to help you stay ahead of the market, grasp industry trends, and jointly create a bright future.
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Join UsPersist in advancing innovation and development in tandem, closely following market demands and continuously pushing beyond our own limits.
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Contact UsWe sincerely invite you to visit our company in person for an on-site tour and guidance. We look forward to collaborating with you to achieve shared growth and create a brilliant future together.
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Blog
Recently, our company was successfully included in the “Proposed List of Enterprises to Be Nominated for Strengthening Intellectual Property Development in Zhengzhou for 2025,” as announced by the Zhengzhou Municipal Administration for Market Regulation. This recognition is based on our outstanding performance in the creation, utilization, and protection of intellectual property!
2026/01/05
The second "I Speak for Green" slogan contest has successfully concluded.
Every word and every phrase reflects heartfelt effort; every single term and sentence is imbued with deep emotion. After lasting over twenty days, the second “I Speak for Green” slogan contest concluded successfully on January 4, thanks to the enthusiastic participation and active response from all Green employees!
2026/01/05
Major announcement! The company’s official website is now live and making a dazzling debut!
After multiple rounds of careful refinement and repeated optimization and fine-tuning, the Chinese and English official websites of Zhengzhou Coal Machinery Green Company have finally been revamped and are now officially online, ready to meet you all!
2025/12/28
Innovation through Mutual Pursuit | On-the-Ground Wisdom × Technology Empowerment
In the wave of lean production at Green Company, improvement has never been absent. A “golden idea” from a frontline technician in the machining workshop was precisely implemented by the R&D department, transforming into a highly efficient and practical new tooling fixture—a remarkable tale of innovation driven by the mutual advancement of practice and technology.
2025/11/25
Driven by the dual forces of the smart manufacturing wave and the industry’s need for upgrading, Green Company has established the 3D Intelligent Mold Manufacturing Center in its casting workshop.
2025/11/24
Equipment Upgraded, Production Revitalized and Accelerated | A Little Story About Green Employees
“Before, the valve stem leaked oil and the motor kept breaking down—every other day we had to halt production for repairs. Now, standing here, I can precisely control the machine with just a grip on the handle, and the efficiency is way higher than before!” In the Second Forging Workshop of Green Company, the operator, holding the upgraded electric handle of the free-forging operating machine, wore a face full of delight.
2025/11/14
Currently, there is a significant trend toward the large-scale development of agricultural machinery, making it one of the core directions for advancing agricultural mechanization. This trend stems from the rapid expansion of large-scale agriculture and the increasingly urgent demand from users for high-performance agricultural machinery.
2025/11/18
Recently, China officially released the "General Technical Specifications for Remanufacturing Cast and Forged Parts for Heavy Equipment," marking a crucial step forward in the circular economy within the high-end equipment sector.
2025/11/18
In recent years, technology for the recycling and reuse of casting sand waste has achieved significant breakthroughs, with a comprehensive utilization rate reaching 95%, making it a key driving force behind the industry's green transformation.
2025/11/18
In recent years, green casting technology—with its remarkable energy-saving advantages and environmentally friendly characteristics—has been widely adopted and promoted in the casting industry, injecting strong momentum into the industry’s transformation and upgrading.
2025/11/18
On a certain day in early October, beside the free-forging gas-fired heating furnace in Workshop No. 2 for forging, workshop director Wang Liming was bent over with Zheng Zhong and Zhang Baomin, carefully examining the newly renovated platform structure with their tools in hand. Their expressions were focused and serious.
2025/10/31
Zhengzhou Coal Mining Machinery Green Materials Technology Co., Ltd.
Address: No. 58, Danjiang Road, Shangjie District, Zhengzhou City
Phone:+86-371-67891855(Administrative)
+86-371-67891856(Sales)
Fax:+86-371-67891856
Email:glgs.zmj@zmj.com
Website:www.zmjgl.com
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