During the visit, the Polish clients toured Greaide's product showroom, production lines, and testing laboratories. They experienced firsthand the wide range of tankless gas water heater models and learned how strict quality assurance ensures reliability. Every unit undergoes rigorous inspections, including: water pressure test, integrated performance test, water pressure start test, anti-wind pressure test, gas leakage test.This meticulous process guarantees durability, safety, and consistency, enabling partners to reduce after-sales issues and maintain customer satisfaction.