Chinese company Alto Refrigeration Manufacturing Co., Limited produces environmental control products. It offers several ranges of new swimming pool products, including 6 series of heat pumps with the capacity from 4 kw to 230 kw, 6 models of pool dehumidifiers with the capacity from 60 to 372 l/day and anti-slip and free draining plastic joint floor mats with 9 colours design.

Its new 12,000m2 production centre includes one office building, two assembly lines, three profession testing rooms and an indoor swimming pool equipped with all products for long-standing tests. All products are strictly manufactured to comply with the highest standards under the instructions of ISO 9001 and have acquired the CE certification.