--- title: About Us --- ![About Us](/uploads/202604/30/690bb10db5e751ca.webp "About Us") Henan Hongke Heavy Machinery Co., Ltd. is specialized in mining machinery manufacturing, integrating scientific research, production and marketing. With development of market economy, we become a dazzling star in China’s machinery industry. Located on the Central Plain, our staffs constantly strive to become stronger after ten years of entrepreneurship. With excellent research team and experienced management personnel, our company constantly brings in talents and trains employees to be excellence. Production Ability The company’s headquarters covers an area of 50,000 square meters, with two 15,000 square meters of standardized heavy industrial plants, more than 160 sets of various large and medium-sized gold processing, riveting, and assembly equipment, and more than 660 online employees, including management with medium and high titles There are more than 80 cadres and engineering technicians. The company has successively introduced technologies and techniques from the United States, Germany, Japan, Australia and other countries, established advanced production lines and modernized testing bases, and established a laboratory for sand and stone machines, a laboratory for grinding machines, and a laboratory for mineral processing equipment. ![Product Management](/uploads/202606/08/c32b4e882c417d41.webp "Product Management") Product Management Our manufactory is a high-tech enterprise professionally involved in research and production of rotary kilns, driers and crushers, and mainly products includes rotary kilns, Raymond mills, ball mills, crushers, stone crushers, screens, jaw crushers, hammer crushers, impact crushers, cone crushers, sand making machines and sand production line. It ranks highly in domestic market while some products have reached international advanced level. In order to meet requirements of business development and market competition, our company established first-class modern production and testing base and has a nationwide sales and service network, providing comprehensive service for thousands of users. ![Hongke Heavy Industry Workshop](/uploads/202606/08/c044a3a6e5dfa124.webp "Hongke Heavy Industry Workshop") Service Purpose Seeking truth from facts with good faith for the operation of the dedication, in conformity with principle of keeping improving, dealing honestly with customers, and taking zero fault as management mechanism, quality first and the best service are our service essentials. We have won many honoraries titles in after-sales service and become symbol of heavy machinery with good reputation. Quality is the life of enterprise, and customer satisfaction is our goal. Our company launched different types of high quality rotary kiln and flour mill based on modern scientific management, better products, advanced production equipment and strict testing method. We will continue to uphold the banner of dedicating ourselves to the service of our motherland and revitalizing economy of the Chinese nation, work hard to join hands for greater prosperity and pick up the sun of Chinese national industry. --- title: Contact Us --- 如果您有任何关于我们的产品或服务的问题或建议，请随时联系我们。以下是我们的联系方式： 电话：010-12345678 电子邮件：info@xxxxx.com 地址：北京市某某区某某路123号，某某大厦10楼 我们的工作时间是周一至周五，上午9点至下午5点。我们将尽快回复您的来信或来电，并提供最好的服务。感谢您对我们的关注和支持！ --- title: Privacy --- This Privacy Policy explains how **Henan Hongke Heavy Industry Machinery Co., Ltd** (“we”, “us”, or “our”) collects, uses, stores, protects, and discloses personal information obtained from users (“you” or “users”) who visit our official website and inquire about our industrial machinery products, including rotary kilns, rotary dryers, ball mills, crushers, and mineral processing equipment. This policy complies with the General Data Protection Regulation (GDPR) for European users and applicable global data protection laws. By accessing and using our website, you agree to the data practices described in this policy. ## 1. Information We Collect We only collect necessary information for business communication, quotation service, technical support, and after-sales follow-up. The collected information includes: - **Personal contact information**: your name, company name, email address, phone number, WhatsApp / Telegram / WeChat ID submitted through online consultation forms or message forms. - **Business demand information**: equipment requirements, project scale, production capacity needs, and other machinery consulting content you filled in. - **Automatic technical data**: website access logs, browser type, device information, IP address, access time, and browsing pages for website operation analysis and security protection. ## 2. How We Use Your Information All collected data is used strictly for legitimate business purposes and will never be used for illegal marketing or spam delivery. We use your information to: - Reply to your inquiries about rotary kilns, rotary dryers, ball mills, crushers and complete mineral processing production lines. - Provide professional technical consultation, product parameter guidance, project solution design and factory quotation service. - Follow up order cooperation, production progress, delivery arrangement and after-sales technical support. - Optimize website display, product content and user browsing experience. - Maintain website security and prevent abnormal access and malicious attacks. ## 3. Data Storage and Protection We adopt industry-standard technical and management measures to protect your personal data from unauthorized access, disclosure, modification or loss. Your information is stored on secure enterprise servers and only accessible to authorized business and technical personnel. We will retain your data only for the period necessary to complete business communication and service delivery. Inactive user data will be regularly cleaned and encrypted processed. ## 4. Information Sharing and Disclosure **We will never sell, rent or trade your personal information to any third-party marketing institutions.** We only share your data in the following legitimate situations: - With trusted third-party service providers who assist website operation, server maintenance and email delivery, under strict data confidentiality agreements. - When required by local laws, regulations or legal procedures. - To protect the legitimate rights and interests of our company and users under safe and legal circumstances. ## 5. Cookies Policy Our website uses standard browser Cookies to record browsing preferences, improve page loading speed and optimize user experience. These files do not collect private sensitive data. You can disable Cookies through your browser settings at any time. ## 6. User Rights If you are a user in the European Economic Area (EEA), you have the following rights under GDPR: - The right to access your personal data - The right to correct inaccurate information - The right to request data deletion - The right to withdraw consent at any time - The right to data portability You can submit your data request via our official email at any time. ## 7. Third-Party Websites Our website may contain links to third-party platforms. We are not responsible for the privacy policies and content of external websites. We recommend you check the privacy rules of third-party sites before submitting personal information. ## 8. Policy Updates We reserve the right to update this Privacy Policy according to business adjustment and legal requirements. The updated version will be published on this page with the latest effective date. ## 9. Contact Us If you have any questions, suggestions or data protection requests regarding this Privacy Policy, please contact us through the official contact methods below: **Company Name**: Henan Hongke Heavy Industry Machinery Co., Ltd **Official Website**: [http://www.rotarydryer-hk.com](http://www.rotarydryer-hk.com) **Email**: [sales@rotarykilnchina.com](mailto:sales@rotarykilnchina.com) **Business Address**: Zhengzhou City, Henan Province, China --- title: Products --- --- title: Cases --- --- title: News --- --- title: Solutions --- --- title: Air Duct Optimization and Product Uniformity Assurance for Magnesium Oxide Rotary Kilns --- --- title: Refractory Lining Damage Forms in Lime Rotary Kilns and Preventive Measures --- --- title: Guide to Sealing Performance Assurance and Preheater Material Collapse Treatment for Active Lime Rotary Kilns --- --- title: Refractory Brick Replacement Cycles in Metallurgical Rotary Kilns and the Importance of Kiln Atmosphere Control --- --- title: Airflow Uniformity and Combustion Chamber Design in Zinc Oxide Rotary Kilns --- --- title: Chemical Rotary Kiln Shutdown Time Control and Product Purity Assurance --- --- title: Metallurgical Rotary Kiln Shell Structure Design: How to Ensure Strength and Stability --- --- title: How to Achieve Consistent Quality in Gypsum Calcination? A Full-Process Analysis from Raw Material Handling to Finished Product Testing --- --- title: Speed Control and Temperature Uniformity Solutions for Bauxite Rotary Kilns --- --- title: Guide to Ventilation System Design and Refractory Lining Replacement Assessment for Laterite Nickel Ore Rotary Kilns --- --- title: Guide to Preventing Kiln Shell Axial Movement and Controlling Roasting Time in Laterite Nickel Ore Rotary Kilns --- --- title: Guide to Inclination Angle and Heating Rate Control for Bauxite Rotary Kilns --- --- title: The Chain Hazards of Poor Sealing in Metallurgical Rotary Kilns and a Systematic Sealing Assurance Solution --- --- title: Analysis of the Combustion System in Active Lime Rotary Kilns and a Guide to Refractory Brick Repair --- --- title: Key Commissioning Points for Ceramsite Sand Rotary Kilns and Ring Formation Treatment: An Operational Guide --- --- title: What to Do When the Atmosphere Inside a Zinc Oxide Rotary Kiln Goes Out of Control or an Unexpected Shutdown Occurs? Two Core Operations Explained at Once --- --- title: Unstable Pressure Inside the Metallurgical Rotary Kiln and Frequent Temperature Rise of Support Roller Bearings? Two Core Operations That Must Not Be Neglected --- --- title: High Energy Consumption and Serious Air Leakage in Ceramsite Sand Rotary Kilns? Sealing Optimization and Waste Heat Recovery Are Key --- --- title: What Improvements Have Been Made to the New Generation Rotary Kiln? --- --- title: Five Key Functions of Rotary Kiln for Ceramsite Calcination --- --- title: How to Choose the Right Rotary Kiln Specification & Model? --- --- title: Lime Rotary Kiln Uneven Flame Concentration – Impacts & Solutions --- --- title: How Much Does Chicken Manure Processing Equipment Cost? --- --- title: Five Maintenance & Inspection Methods for Ball Mills --- --- title: Key Points to Consider When Purchasing a Ball Mill --- --- title: What Methods Are Commonly Used for Sludge Drying --- --- title: Factors Causing Uneven Heating in Rotary Kilns --- --- title: How to Choose the Right Calcination Rotary Kiln? --- --- title: Rotary Kiln Daily Maintenance Tips --- --- title: Practical Measures to Extend Rotary Kiln Service Life --- --- title: Small Ball Mill Parameters, Ball Load & Production Process Guide --- --- title: What is the low efficiency of ball mill beneficiation? --- --- title: Ball Mill Wear Parts Replacement Guide --- --- title: Rotary Kiln Output Decline? – Cause Analysis & Troubleshooting Tips --- --- title: How to Reduce Rotary Kiln Fuel Consumption? --- --- title: Best Choice for Fully Automatic Sludge Drying Equipment ? --- --- title: Key Factors Affecting Ball Mill Product Fineness --- --- title: Rotary Kiln --- --- title: Lime Rotary Kiln --- --- title: Dolomite Rotary Kiln --- --- title: Reduction Kiln --- --- title: Magnesite Rotary Kiln --- --- title: Waste Catalyst Rotary Kiln --- --- title: Zinc Oxide Rotary Kiln --- --- title: Rotary Dryer --- --- title: Sludge Dryer --- --- title: Three Cylinder Dryer --- --- title: Chicken Manure Dryer --- --- title: Lithium Slag Dryer --- --- title: Bentonite Dryer --- --- title: Ball Mill --- --- title: Raymond Mill --- --- title: Horizontal Ball Mill --- --- title: Wet Ball Mill --- --- title: Rod Mill --- --- title: Hammer Crusher --- --- title: Jaw Crusher --- --- title: Impact Crusher --- --- title: Hematite Magnetic Separator --- --- title: XJK Flotation Machine --- --- title: Luoyang Yichuan 200,000m³/y Ceramsite Rotary Kiln Production Line --- --- title: Tianjin 200,000t/y Zinc Oxide Rotary Kiln Production Line --- --- title: Shaanxi 800t/d Lime Rotary Kiln Production Line --- --- title: Shandong 10,000t/y Lime Rotary Kiln Production Line --- --- title: India Ф1.2×25m Zinc Oxide Rotary Kiln Production Line --- --- title: Shandong 100,000m³/y Ceramsite Rotary Kiln Production Line --- --- title: Shanxi Changzhi 1000t/d Lime Rotary Kiln Production Line --- --- title: Algeria 10,000t/y Sponge Iron Rotary Kiln Production Line --- --- title: Yunnan Fumin County 80t/d Lime Kiln Production Site --- --- title: Indonesia 300,000m³/y Ceramsite Rotary Kiln Production Line --- --- title: Kaifeng Ф2.5×45m Secondary Zinc Oxide Rotary Kiln Production Line --- --- title: Hunan Xiangtan Upper-Lower Double-Layer Soil Remediation Rotary Kiln Production Line --- --- title: Guizhou Tongren Ф2.5×45m Zinc Oxide Rotary Kiln Production Line Delivered --- --- title: Bosnia and Herzegovina Dolomite Rotary Kiln Production Line Project Site --- --- title: Kaifeng Weishi County Molybdenum Ore Rotary Kiln Production Line Site --- --- title: Shandong Qingdao Ф2.8×30m Iron Powder Calcination Rotary Kiln Production Line Site --- --- title: Jiangxi Jiujiang 120t/d Sludge Incineration Rotary Kiln Production Line Commissioned --- --- title: Zhejiang Quzhou Ф1×12m Electric Heating Stainless Steel Rotary Kiln Successfully Commissioned --- --- title: Hunan Xiangtan Ф1.2×22m Waste Battery Recycling Electric Heating Rotary Kiln Production Line Site --- --- title: Jiangxi Ganzhou Ф3×36m Non-Ferrous Metal Smelting Rotary Kiln Production Line Installation Completed --- --- title: Fujian Longyan 200m³/d Ceramsite Rotary Kiln Installation Site --- --- title: Liaoning Fushun Ф1.8×35m Sludge Treatment Rotary Kiln in Stable Operation --- --- title: Liaoning Magnesia Calcination Rotary Kiln Successfully Installed --- --- title: Shandong Ф2.2×45m Molybdenum Ore Rotary Kiln Production Line --- --- title: Jiangxi Ф1.8×40m Lime Rotary Kiln Production Line Site --- --- title: Sichuan Nanchong Clay Ceramsite Rotary Kiln Production Line --- --- title: Ningxia Shizuishan Ф2.5×45m Catalyst Rotary Kiln Site --- --- title: Shanxi Heshun County 300t/d Lime Rotary Kiln Site --- --- title: Kaifeng 2.2×45m Catalyst Rotary Kiln Trial Run Success --- --- title: Hubei Ф2.5×55m Catalyst Rotary Kiln Trial Run Success --- --- title: Tianjin Ф3.2×60m Secondary Zinc Oxide Rotary Kiln Production Line --- --- title: Liaoning Yingkou Titanium Dioxide Calcination Rotary Kiln Production Line Site --- --- title: Guangdong Qingyuan 300t/d Lime Kiln Site --- --- title: Ningxia Yinchuan 400t/d Lime Kiln Site --- --- title: Shandong Ф3×60m Phosphorus-Containing Sludge Calcination Rotary Kiln Successfully Ignited --- --- title: Chongqing ∅1.6×36m Aluminum Ash Rotary Kiln Installation Site --- --- title: Zhejiang Jiaxing Haining Ф2.5×60m Calcium Fluoride Rotary Kiln Site --- --- title: Sichuan Ф2.2×45m Water-Based Drill Cuttings Rotary Kiln Shipping Site --- --- title: Hubei Ф2.2×45m Catalyst Rotary Kiln Put into Operation --- --- title: Inner Mongolia Ф3.0×60m Dolomite Rotary Kiln Shipping --- --- title: Yunnan Ф2.0×50m 100t/d Lime Rotary Kiln Site --- --- title: Mongolia 50t/d Ф3.0×60m Lime Rotary Kiln Site --- --- title: Jiangxi Ф3.5×50m Sludge Incineration Rotary Kiln Site --- --- title: India Ф2.5×60m 150t/d Quartz Sand Rotary Kiln Site --- --- title: Shandong Ф800×12m Gold Ore Electromagnetic Heating Rotary Kiln Shipping --- --- title: Ningxia Ф3.5×75m 400t/d Lime Rotary Kiln Installation Site --- --- title: India Ф3.5×50m 20,000t/y Hematite Rotary Kiln Shipping --- --- title: Russia Ф1.8×35m 30t/h Sludge Calcination Rotary Kiln Shipping --- --- title: Shaanxi Jingyang 300t/d Coal Gangue Rotary Kiln Production Line --- --- title: Gansu 6,000t/y Zinc Oxide Rotary Kiln --- --- title: Korla, Xinjiang 3×60m Environmental Lime Rotary Kiln Production Line --- --- title: Jiangxi De'an 8,000t/y Lime Rotary Kiln Production Line Site --- --- title: Mianchi 10,000t/y Shale Ceramsite Sand Rotary Kiln Production Line --- --- title: Shanxi Magnesium Metal Rotary Kiln Production Line --- --- title: Tianjin 1.2×24m Zinc Oxide Rotary Kiln Installation Site --- --- title: Hebei 1.6×8m Rotary Kiln Steel Slag Calcination Production Line --- --- title: Philippines Environmental-Friendly Lime Rotary Kiln Installation Site --- --- title: Pakistani Customer Visits Cement Rotary Kiln Production Line --- --- title: Indian Customer Visits for Cement Rotary Kiln Cooperation --- --- title: 180 TPD Zinc Oxide Rotary Kiln for Indonesia --- --- title: Iranian Customer Visits Rotary Kiln Project --- --- title: Algeria 200 TPD of Sponge Iron Rotary Kiln Production Line --- --- title: Pakistan Iron Oxide Rotary Kiln Customer Case Site --- --- title: 3.2×60m Zinc Suboxide Rotary Kiln Delivery Case in Tianjin --- --- title: Bangladesh Customer Ordered Cement Rotary Kiln --- --- title: Uzbekistan Customer Ordered Cement Production Line --- --- title: Sichuan Clay Ceramsite Production Line Equipment Delivery --- --- title: Zibo 2.8 * 60 Meters Rotary Kiln Whole Set of Equipment Delivery Site --- --- title: Send to Algeria Sponge Iron Rotary Kiln 3.5 * 60 Meters Loading Site --- --- title: Sichuan 3.2×30m Ferrous Sulfate Dryer Production Line --- --- title: Russia Ф1.8×12m Gypsum Electromagnetic Heating Dryer Shipping --- --- title: Shandong Ф2.0×20m Sludge Dryer Production Line Successfully Commissioned --- --- title: Russia Ф2.2×4m Sand Dryer Successfully Installed --- --- title: Gansu Jinchang Two Sets of Ф3.2×30m Ferric Sulfate Dryer Production Lines --- --- title: Anhui Chizhou Ф2.8×17.5m Alumina Stainless Steel Dryer Site --- --- title: Gansu Jinchang Ф3.2×30m Ferrous Sulfate Dryer Site --- --- title: Linyi, Shandong 1.2×10m External Insulation Dryer Shipping --- --- title: Hubei 1.2×10m Chemical Sludge Dryer Production Line --- --- title: Φ1.2×10m External Insulation Dryer Shipping to Linyi, Shandong --- --- title: Pakistan Cow Manure Dryer Shipping Scene --- --- title: Two Sets of φ1000 × 7 M Chicken Manure Dryers Were Sent to Laos for Loading --- --- title: 1.2 × 16 Electromagnetic Heating Dryer Loading Site --- --- title: Russia Ф3×16m Cement Ball Mill Project Site --- --- title: Zhengzhou Airport Zone Ф1.5×3m Catalyst Ball Mill Installation Completed --- --- title: Kaifeng Weishi Ф1.2×5m Ball Mill Equipment Acceptance Passed --- --- title: Inner Mongolia Ф2.2×7m 20t/h Steel Slag Ball Mill Shipping --- --- title: Φ1.5×4.5m Ball Mill Shipping to Hunan --- --- title: Ball Mill Shipping to Sichuan --- --- title: Φ1.5×7m Ceramic Ball Mill Shipping Site --- --- title: 2.7 × 4.5 M Wind Sweep Mill Shipped to Algeria --- --- title: Vertical Shaft Sand Crusher Shipping to Philippines --- --- title: Vietnam 200t/d Beneficiation Ball Mill Shipping Site --- --- title: 3R3016 Ultrafine Powder Grinding System Shipping to Inner Mongolia --- --- title: Φ1.5×4.5m Lime Ball Mill Loading Site for Kosovo --- --- title: 3R3016 Raymond Mill Shipping to Hubei --- --- title: Complete Guide to Direct Reduced Iron (DRI/HBI) Production: From Ore to High-Purity Steelmaking Raw Material --- --- title: Complete Guide to Ball Mill Selection & Application – Selection Tips, Process Matching & Case Analysis --- --- title: Rotary Kiln Selection & Procurement Guide: How to Find a Truly Trustworthy Partner --- --- title: Complete Guide to Ceramsite Rotary Kilns: Calcination Process, Suitable Materials, Equipment Configuration & Selection --- --- title: Complete Guide to Zinc Oxide Rotary Kilns: Calcination Process, Suitable Materials, Equipment Configuration & Selection --- --- title: Complete Guide to Lime Rotary Kilns: Calcination Process, Equipment Configuration & Selection --- --- title: Ball Mill High-Efficiency Operation: From Ore Characteristics to Grinding Optimization – A Complete Guide --- --- title: Complete Guide to Dryers: From Working Principles to Investment Decisions --- --- title: Ball Mill Operation Efficiency and Maintenance: From Efficiency Diagnosis to Product Fineness Optimization --- --- title: Rotary Kiln Efficient Operation Guide: Efficiency Diagnosis, Selection Optimization, and Common Problem Analysis --- --- title: Complete Guide to Rotary Kiln: Structure, Working Principle, Types, Parameters, Applications & Selection --- --- title: Complete Guide to Iron Ore Beneficiation: From Raw Ore to Iron Concentrate – Industrial Solutions ---