The protractor has a wide range of manufacturing materials, low cost, simple structure, easy to manufacture, strong practicability, large application market, and great investment benefits for manufacturers.
In order to make up for the singleness of the protractor in use and the inconvenience of carrying and storage, a multi-purpose method is generally adopted, so that the protractor has flexibility and comprehensive practical value, with simple structure, novel and unique shape, and reasonable design, thereby improving Work efficiency also reflects social benefits.
GVDA Angel Finder GD003:
Pls Clink Below Photo and Read more details about this GVDA Angel Finder GD003 :
