Oka, from Germany, is a reputable German HVAC brand in Europe, focusing on the research and development, technology and trade of plastic pipeline products. It is mainly engaged in supporting HVAC products such as floor heating pipeline system (PE-RT, PEX), aluminum-plastic composite pipeline system, cold expansion sliding pipe fittings, compression pipe fittings and PPR plastic pipes, so as to provide customers with overall solutions for heating system.Oka products are produced and tested in strict accordance with the latest EU technical standard iso21003. Oka adheres to the quality tradition of Chengde department and strives for perfection in technology and production process.As a ...