Different kinds of Christmas tree Inspection:
PVC leaf Christmas tree
Pine needle and leaf Christmas tree
PE leaf Christmas tree
Lantern Christmas tree
LED light Christmas tree
Optical fiber Christmas tree
Low-grade Christmas tree
Middle grade Christmas tree
Deluxe Christmas tree
Some common factors for xmas tree quality control:
Appearance
Measurement of product
Completeness of the body
Function test
Material check
Packing & Labels
Assembly and set up test
Lights function check
Aging test
