1. Ningbo Sigma was founded in 2002, is Chinese Elevator Association executive director of the unit, cultivating the elevator industry for 22 years.

2. Specializes in the R & D, manufacturing, installation and maintenance services of vertical elevators, passenger elevators, household elevators, cargo elevators, car elevators and escalators .

3. The annual output of the company can reach 50 thousand sets, and is certified by ISO9001 international quality system certification, ISO14001 environmental certification and occupational health and safety management system.

4. The headquarters occupies an area of about 133200 square meters , and the height of the test tower is nearly 150 meters.

5. The introduction of the most advanced automatic intelligent production line in the world today has entered the era of industrial 4 and realized machine replacement.

6. At present, there are more than 600 employees, 60% have a secondary school or above, and 98% of administrative personnel have a college degree or above, which provides strong support .