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Safety and Reliability – Sigma’s foremost concerns We work constantly to improve the safety of existing products and to develop safer technologies for new products. Sigma emphasizes a corporate policy of “safety first” and standardizes procedures to ensure every installation and service is performed the safest way, every time. |
| Sigma products undergo stringent quality and safety testing at our testing facility. We operate a 63 meters tall elevator test tower in Hangzhou. |
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| HEAD OFFICE |
| 6F Two IFC 10 Gukjegeumyung-ro Youngdeungpo-gu Seoul 150-945 Korea |
| More Locations |
| SIGMA’s 8 Customer commitments | |
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Customer Commitment Document (122 KB) |