Building Material Co., Ltd. Hangzhou Bao Chun for metal roofing, aluminum-magnesium manganese alloy plate, standing seam, aluminum-magnesium manganese metal roof. 
 Po Chun magnesium metal roofing company for many years engaged in the production and processing of manganese metal roof, use of magnesium manganese alloy, under the 3004 standard which has light, moderate structural strength, weather resistance, stain, easy processing, the normal use , the material life of up to 50 years. And has several multi-metal roof forming machine and other advanced equipment, and a yield strength of our country's largest, most wide-board non-ferrous metal plate 21 roller straightening, slitting and cross cutting production line. We can produce: arc, fan, wave-shaped, spherical and hyperbolic shaped magnesium manganese and other roof.