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About Us

Welcome to Sigma Elevator

Welcome to SIGMA Elevator, where Korean heritage meets modern innovation in vertical transportation. Founded in Korea, SIGMA has built its reputation on engineering excellence, advanced technology, uncompromising quality, and a strong commitment to customer satisfaction. Today, the SIGMA brand continues to expand its presence globally, delivering elevator solutions designed to meet the evolving needs of residential, commercial, and industrial projects. SIGMA Elevator operates through a corporate partnership with SIGMA-OTIS Elevator, with SIGMA Elevator Korea serving as the parent company. The brand operates in collaboration with OTIS Electric Elevator Co., Ltd., while SIGMA elevators are manufactured through XIZI OTIS (Optimax) in China. The products are exported by SIGMA Elevator Ningbo combining international manufacturing expertise with SIGMA’s established engineering standards and brand heritage. At SIGMA Elevator, we believe an elevator is far more than a means of transportation—it is an essential part of modern architecture, contributing to safety, convenience, efficiency, and aesthetics. Our elevators are engineered with advanced technology to provide smooth, reliable, and energy-efficient performance while delivering a comfortable experience for every passenger. From elegant residential elevators to high-performance commercial and industrial systems, SIGMA offers solutions tailored to diverse architectural and operational requirements. With a strong focus on innovation, sustainability, safety, and quality, we continuously strive to raise industry standards and create smarter mobility solutions. SIGMA Elevator — Elevating Spaces, Enhancing Life, Redefining Vertical Mobility.

Frequently Asked Questions

What weight capacity is standard for residential elevators?

Residential models typically handle 950–1,600 lbs (6–10 passengers). Commercial elevators support 2,500–5,000 lbs, while high rise variants may exceed 8,000 lbs for peak occupancy.

Can elevators be installed in existing buildings without major renovations?

Yes! Machine-room-less (MRL) designs use compact components fitting into existing shafts. Retrofitting takes 2–4 weeks, minimizing disruption in occupied residential/commercial buildings.

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