Sterling Circle Sdn. Bhd. is one stop station corporation where we provide advanced technology product, education, knowledge, training, business network and business opportunity in water filter field.As one of the member in Water Quality Association (WQA) since 1988, Sterling Circle has the chance to cooperate with all the well-known water experts to invent research and develop the high quality product.Sterling Circle determined to takes full force effort to build up the brand name 'Wonderland' where it contains more than 5 categories of different product as of now.