What is the proportion of material cost to total production cost for auto door ?
It varies from different manufacturers who adopt different technology and work with different raw materials suppliers. In order to ensure the quality of auto door , it is necessary for a professional manufacturer to put necessary investment into raw materials selection before production. Except the well-selected material, the manufacture cost on it including especially high technology, labor investment, advanced equipment cost and so on is indispensable as well.

Shenzhen Hongfa Automatic Door Co, Ltd. has become a reliable supplier and manufacturer of spiral door after years of development. The roll up door is one of the main products of Hongfa Automatic Door Company. It is manufactured under the strict quality contril of our factory. Its self-checking program can effectively show error codes. Hongfa's R&D team works closely with its professional technical service engineers to quickly resolve customer issues. The product is characterized by low noise.

To let each customer remembers Hongfa is the ultimate goal. Welcome to visit our factory!
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