采用PE、PP等塑胶原料注塑组装成型。1，使用方便、耐用、节省空间，便于运输与清洗，防潮等特性。2， Made from PE and PP plastic materials by means of injection molding .1， Easy to use , durable ,space saving ,easy to transport and clean and humidity resistant .2， Applicable to electronics, plastics, hardware , auto parts and other industries.