1. The inspector：1 person, male, 22 to 35 years of age, high school education, aerated raw product testing experience is preferred.

2. Electrical and Mechanical Engineering Assistant: 3 people, male, 22 to 35 years of age, university or higher, or Mechatronics, Electrical and industrial automation and control, an inorganic material (silicate is preferred) and other related majors; aerated business experience priority.

3. Engineering Assistant Plate: 2 people,  male, 22 to 35 years old, secondary education, will be CAD drawings, have a driver's license C \ can drive.

4. Sales: 20 people, male or female, irrespective of age, high school education or marketing class graduate, car priority, building materials class sales experience preferred.