★ Standard staircases; ★ Staircases in a variety of sizes and shapes; ★ Individual design according to customers’ requests;
★ Fast construction speed; ★ Short construction period; ★ Light weight; ★ Good integrity; ★ Low requirements for hoisting capacity;
★ Good noise and fire protection; ★ More cost-effective; ★ Bear higher loads;
★ Manufactured as load-bearing wall elements; ★ Manufactured as non-load-bearing, insulated exterior wall elements; ★ Shorten construction periods;