1.Test instruments
The instruments come in a great variety of categories, many of which are among the most-used by factories, including calliper, balance and processor. In addition, the quality test and analysis apparatuses, material and package test devices are among the commonly-used test equipment. For the purposes of package, the most-used apparatuses include packaging material tester, metal tester and non-metal tester as well as nondestructive tester.