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Data flow - a directed arrow with empty circle at the end represents data flow.Control flow - a directed arrow with filled circle at the end represents control flow.Hipo hierarchical input process output diagram is a combination of two organized method to analyze the system and provide the means of documentation.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.