Aluminum profile inkjet coding and print-and-apply labeling machine. I. Basic purpose: applies labels to product surfaces. Heads 1# and 2# are equipped with inkjet coding, and head 3# has a printer. The printer is connected to a database, and the printing system caches and prints batches of labels with the corresponding content; when the PLC receives the signal from the product detection photocell, the label is applied at the specified position. Printed content and information are automatically generated into a document and saved to the industrial PC for later query. I. Basic purpose II. Professional manufacturer of automated labeling machines