Founded in the year of 1989, SHANGHAI SIGMA ELEVATORis a modern professional elevator enterprise integrating design.manufacturing, sales and maintenance. The company owns the doubleA qualification of elevator manufacturing, installation, modification andmaintenance with its business scope of passenger elevator, hospitalelevator, sightseeing elevator, residential elevator, freight elevator,escalator, automatic sidewalk, etc. Relying on its 30-year elevatormanufacturing experience, its rich product varieties can meet thecusomers' diversified demands and its business scope is involvedvarious provinces and cities throughout the country. lts products areeven exported to the Southeast Asia, the Middle East, Africa, etc.Furthermore, it has set up long term cooperation with many enterprises Dedicated to elevator service for 30 years, SHANGHAI SIGMAELEVATOR applies the concept of intelligent manufacturing inChina, information management and Internet of things to production,management and service while inheriting the spirit of Shanghai spiritas the supplier of Shanghai Expo in 2010, thus achieving informationand intelligent manufactruing industrial chain and striving to knowcustomers' demand. With service networks are all over the country, itprovides overall and excellent architecture traffic service for customersand users.