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    Green Casting and Forging, Intelligent Manufacturing Of High-Quality Products

    Zhengzhou Coal Mining Machinery Green Materials Technology Co., Ltd.

    Zhengzhou Coal Mining Machinery Green Material Technology Co., Ltd.  (hereinafter referred to as the “Company”) is a wholly-owned subsidiary of a holding subsidiary of Zhengzhou Coal Mining Machinery Group Co., Ltd.  (hereinafter referred to as “ZMJ Group”).  It is an important part of ZMJ Group's “complete set” and “intelligentization” strategies in the coal machinery sector. 

    The Company meticulously provides customers with a full range of high-quality experiences including technical consultation, design and R&D, production and manufacturing, and after-sales service. It has an annual production capacity of 50, 000 tons of forgings, 60,000 tons of castings, and 100,000 tons of supporting machining. The Company can produce high-quality forgings ranging from 10kg to 1.3 tons and high-quality castings ranging from 100 kg to 18 tons. Its main products include a full range of castings and forgings for coal mine mechanical hydraulic supports, a full range of castings and forgings for scraper conveyors, oil top drive castings, gas turbine cylinder castings, crusher castings, shield machine forgings, and agricultural machinery forgings. These products are widely used in multiple industries such as military industry, petroleum, chemical industry, metallurgy, hydraulic engineering, construction engineering, electric power, mining machinery, and agricultural machinery, and are exported to countries and regions including the United States, Turkey, Russia, and Australia, making the Company a trustworthy partner for global customers. 

    Adhering to the parallel development of innovation and growth, the Company keeps breaking through itself by following the pace of market demand. Relying on advanced technological advantages, it has developed process parameters for 500-1,300 kg steel castings and forgings exceeding national standards, obtained three-system certification certificates recognized by military enterprises, and holds more than 60 invention patents and utility model patents such as the super-large base socket die forging mold and forming method for large mining height hydraulic supports. The Company has won many honors including "Henan High-Tech Enterprise”, "Henan Provincial Specialized and Sophisticated Enterprise”, "Henan Provincial Enterprise Technology Center”, "Henan Gazelle Enterprise”, "Henan Provincial Engineering Research Center for Forming and Manufacturing of Large Castings and Forgings for Mining Machinery”, “Outstanding Enterprise in Transformation and Innovation of Zhengzhou”, and “Best Employer Enterprise of Zhengzhou”. The Company attaches great importance to the integration of production, education, 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 Polytechnic University, and Zhengzhou Research. 

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    建伟纸业
    60 +Item

    Various patent certificates

    50000 Ton

    Annual forging production

    60000 Ton

    Annual casting production

    100000 Ton

    Supporting machining equipment

    Equity structure

    Development History

    Image name

    development path


    2024

    Four new invention patents and six utility model patents were granted. The company obtained the 3A credit rating certification for the casting industry. New varieties of cast and forged parts for industries such as power, coal machinery, metallurgy, and heavy-duty vehicles have now entered mass production and delivery. The project “Key Technologies for Ceramic Sand Inorganic Binder Mold Casting Process and Its Application in Medium- and Large-Sized Cast Steel Parts” was awarded the Second Prize of the 2024 Henan Province Mechanical Industry Science and Technology Award. In collaboration with the International Joint Research Center for Intelligent Design of Low-Carbon and Eco-Friendly Materials at Zhengzhou University (a national-level center), a Joint R&D Center for Key Materials for Supporting Equipment has been established.

    2023

    The 18-ton die-forging hammer produces the largest die-forged component—column sockets (forging weight: 1,310 kg)—for the 10-meter ZYA29000/45/100D hydraulic support. The development and production of 630 guide bushings have been successfully completed, enabling mass production. The company has been awarded the title of “Henan Province Gazelle Enterprise.” To date, it has accumulated a total of 57 invention patents and utility model patents.

    2022

    The R&D and production of the 530 guide sleeve have been successfully completed, enabling mass production; we have been awarded the title of “Best Employer Enterprise in Zhengzhou”; and we have obtained certification under the national military standard quality management system.

    2021

    The company’s Phase III machining project has been completed and put into operation; the R&D of prefabricated cast steel structures has been successfully achieved; and the company has been awarded the “Specialized, Fine, and New” honor title by Henan Province.

    2020

    The casting project has been completed and put into operation. The 20-ton electric arc furnace and the 20-ton LF refining furnace successfully passed their first energized commissioning. The company has been awarded honorary titles including “Henan Province Large-scale Casting and Forging Components Engineering Research Center for Mining Machinery,” “Zhengzhou Enterprise Technology Center,” and “Zhengzhou Engineering Technology Research Center for Large-scale Casting and Forging Components of Mining Machinery.” To date, the company has accumulated a total of 21 invention patents and utility model patents.

    2019

    The company has been awarded the title of “High-Tech Enterprise” by Henan Province; the development and production of stepped guide sleeves have been successfully completed, enabling mass production; the company has cumulatively obtained 17 invention patents and utility model patents.

    2018

    The company’s second-phase casting project has been launched; the specialized machine for pillar socket machining has been successfully developed.

    2017

    The 18-ton die forging hammer produced the largest die forging socket (forging weight 1220kg) for the 8.8m ZY26000/40/88D hydraulic support.

    2016

    The company’s first-phase forging project has been completed and put into operation.

    2013

    Zhengzhou Coal Mining Machinery Green Materials Technology Co., Ltd. was established (the new district of the Casting and Forging Company, hereinafter referred to as the Company). The groundbreaking ceremony for the Company’s new district has been launched, and construction of the project has officially begun.

    2011

    Zhengzhou Coal Machinery Casting Co., Ltd. was established (referred to as “Casting Company”).

    2006

    Developed a new steel grade, ZG30Cr06A, and obtained an invention patent.

    2005

    Develop and produce steel grade ZMJ01 to meet the requirements of 1,000-ton mining pressure working faces.

    2002

    R&D and production of steam turbine cylinder castings for generator sets with capacities below 50 MW.

    1998

    Cooperated with Zhengzhou Research Instituteof Mechanical Engineering to develop andproduce boxes; In the same year, the production of steel castings for the Three Gorges Water Conservancy Project was successful.

    1991-1995

    Successfully developed multiple steel grades including A27, A148, AISI 8630, and C187.

    1990

    The prototype of the drill bushing for export to the U.S. has been successfully developed, and we are now entering the international market.

    1970

    The military industry’s 704 product established a project team and successfully completed R&D three years later.

    1958

    The Casting Branch and Forging Branch of ZMJ Group were established.

    Corporate culture

    Corporate Vision

    Green casting and forging, intelligent manufacturing of premium products; building a high-end R&D and production base for cast and forged components.

    Corporate Mission

    Build benchmark enterprises; strive to create well-known brands; Cultivate professional employees; provide comprehensive products and services.

    Core Values

    Enhance value for customers and provide a platform for employees.

    Corporate Mission

    Dedicate ourselves to society and benefit our employees; pool the wisdom of all to create social value.

    Entrepreneurial Spirit

    Eager to advance and constantly surpass ourselves.

    Management Philosophy

    Precise and efficient, pragmatic and self-disciplined.

    Development Philosophy

    Steady innovation, competition and win-win.

    Talent Philosophy

    People-oriented, possessing both virtue and talent, achieving success through action and earning one’s rightful place.

    Qualifications and Honors

    Henan High-Tech Enterprise

    Henan High-Tech Enterprise

    Henan Provincial Specialized and Sophisticated Enterprise

    Henan Provincial Specialized and Sophisticated Enterprise

    Henan Province Enterprise Technology Center

    Henan Province Enterprise Technology Center

    Henan Gazelle Enterprise

    Henan Gazelle Enterprise

    Henan Provincial Engineering Research Center for Forming and Manufacturing of Large Castings and Forgings for Mining Machinery

    Henan Provincial Engineering Research Center for Forming and Manufacturing of Large Castings and Forgings for Mining Machinery

    Outstanding Enterprise in Transformation and Innovation of Zhengzhou

    Outstanding Enterprise in Transformation and Innovation of Zhengzhou

    Best Employer Enterprise of Zhengzhou

    Best Employer Enterprise of Zhengzhou

    3A-level Enterprise Credit Rating Certificate

    3A-level Enterprise Credit Rating Certificate

    Henan Province Mechanical Industry Science and Technology Award

    Henan Province Mechanical Industry Science and Technology Award

    Executive Director Unit of the Henan Province Foundry and Forging Industry Association

    Executive Director Unit of the Henan Province Foundry and Forging Industry Association

    Green Casting & Forging Demonstration Enterprise

    Green Casting & Forging Demonstration Enterprise

    Innovative Enterprise in the Casting & Forging Industry

    Innovative Enterprise in the Casting & Forging Industry

    Excellent Enterprisein the Casting& Forging Industry

    Excellent Enterprisein the Casting& Forging Industry

    Professional Leading Enterprisein the Casting & Forging Industry

    Professional Leading Enterprisein the Casting & Forging Industry