portable standing seam machine

• 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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