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• Xinhonghua invites you to the 2026 SMM (21st) Lead and Zinc Conference and Industry Expo

  

  Nov 12, 2025

  As the green transformation of the lead and zinc industry intertwines with the digital revolution, the global industrial and supply chain landscape is undergoing profound reconstruction. The traditional linear development model is being broken: from green mining to smart smelting, from recycling to high-end applications, every link in the industrial chain is experiencing disruptive reshaping. New factors such as industry competition, geopolitical issues, ESG standards, and carbon tariffs are redefining the flow and allocation of global lead and zinc resources. The future of the industry lies not in simple expansion of scale, but in the deep excavation and aggregation of value. This requires every industry practitioner to go beyond mere metal trading and focus on high-end product development enabled by technology, exploring new application boundaries in fields like new energy and new infrastructure. At the same time, technological innovation is becoming the core driving force of the industry. Digital technology, artificial intelligence, and low-carbon processes are integrating with the lead and zinc industry, creating dynamic momentum that drives a revolution in efficiency and effectiveness. The 2026 SMM (21st) Lead and Zinc Conference and Industry Expo will be based on this vision, gathering leading enterprises, experts, scholars, government officials, and professionals from related fields in the domestic and international lead and zinc industries from March 25-27, 2026, to build a global high-end dialogue platform. At this conference, Xiamen Xin Honghua Technology Co., Ltd. will participate in grand style and looks forward to joining you to: - Gain insights into 'chain transformation' trends and clarify new coordinates and directions for industry development - Explore 'price aggregation' paths, jointly examine lead and zinc price trends, and share best practices in value innovation - Stimulate 'fusion momentum', sparking ideas through the collision of technological empowerment and industrial upgrading Xinhonghua Anti-Corrosion Purlins --- Fully sealed holes and cuts, with the product's salt spray test reaching up to 4000 hours. The anti-corrosion layer is not only resistant to corrosion but can also replace fireproof coatings, achieving A-level fire resistance. Used together with Xinhonghua corrosion-resistant composite materials, it can thoroughly solve the dual challenges of corrosion protection and fire safety inspection for steel structures.

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• Why Should You Participate in the Canton Fair for Global Business Opportunities?

  

  May 20, 2025

  As a cutting-edge cultural exchange center, Guangzhou also provides an excellent environmental foundation for prefabricated buildings, and industry insiders from all over the country come here to exchange and collect industry information or choose suitable suppliers. Rolling is the main process for deforming materials. The purpose of degreasing is to remove the lubricating grease attached to the rolled products during rolling, to avoid contamination of the steel surface during annealing, and to prevent carbon increase in stainless steel. Annealing includes intermediate annealing and final heat treatment. Intermediate annealing is performed to eliminate work hardening caused by cold deformation through recrystallization, restoring the material's plasticity and reducing the metal's resistance to deformation. The purpose of final heat treatment is not only to eliminate hardening through recrystallization but also to achieve the required microstructure (such as various textures, etc.) and product performance (such as deep drawing, electromagnetic properties, etc.) according to the technical requirements of the product. Finishing includes inspection, shearing, straightening (flattening), printing, sorting, and packaging. Cold-rolled products have very high packaging requirements to prevent surface scratches during transportation. In addition to the aforementioned processes, there are also specific procedures for producing certain special products. For example, when rolling silicon steel sheets, decarburizing annealing must be carried out before cold rolling, followed by coating, high-temperature annealing, stretching straightening (see tension straightening), and tempering.  

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• Construction Worker Training

  

  May 20, 2025

  From August 4th to 8th, hosted by Xiamen Roll Machinery Alliance, undertaken by our company (Xiamen Xinhonghua Machinery Co., Ltd.), and co-organized by Xiamen New Color Steel Machinery Co., Ltd., Xiamen Huafeng Roll Machinery Co., Ltd., and Xiamen Roller Union Technology Co., Ltd., the five-day light steel house constructor training was a complete success. Cold rolling is usually done using the longitudinal rolling method. The processes involved in cold rolling production generally include raw material preparation, pickling, rolling, degreasing, annealing (heat treatment), and finishing. Cold rolling uses hot rolled products as raw materials, and the raw materials must be phosphorus-free before cold rolling to ensure the cleanliness of the cold rolled products' surfaces.

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• Why Should You Attend the Fair to Explore New Business Opportunities?

  

  May 20, 2025

  From November 7th to 9th, 2019, our company brought the 5th generation upgraded version of the Green Cube (referred to as XHH-5S) light steel villa keel forming equipment to the 18th China International Housing Industry and Construction Industrialization Products and Equipment Expo. Cold-rolled thin steel plates are the abbreviation for cold-rolled plates made from ordinary carbon structural steel, also known as cold-rolled sheets, commonly referred to as cold plates, and are sometimes mistakenly written as cold-rolled sheets. Cold plates are made from hot-rolled steel strips of ordinary carbon structural steel, which are further cold-rolled into plates with a thickness of less than 4mm. Because they are rolled at room temperature, no iron oxide scale is produced, resulting in good surface quality and high dimensional accuracy. Additionally, with annealing treatment, their mechanical properties and process performance are superior to hot-rolled thin steel plates. In many fields, especially in home appliance manufacturing, they have gradually replaced hot-rolled thin steel plates.  

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