ray flaw detector; directional corrugated ceramic training and education 1 daye huachen aluminum technology co., ltd. huachen aluminum is a research and development manufacturer of aluminum processing products. it is mainly engaged in the research and development, production and sales of high-quality aluminum processing products, forming a development pattern of settling in the three core businesses of industrial aluminum extrusion, deep processing and aluminum calendering. with diversified products to build portfolio advantages, based on solid foundation, and relying on long-term planning, the products cover the entire industrial chain of aluminum products such as door and window construction, garden ancient buildings, supporting aluminum development, etc. 30 strip
