Gantry cranes are a promising niche with minimal competition, as only one seller currently has more than 100 reviews while most others have close to zero. This low-saturation market offers a significant opportunity for new sellers to establish a strong presence. With applications in construction, warehouses, and workshops, gantry cranes cater to a steady demand. Sellers who focus on quality and clear product differentiation can quickly stand out and capitalize on this untapped potential.