Founded in june 2006, the polytechnic co. Ltd. Of nakayama city is located in the city of nakayama, guangdong province, where it is conducive to intestine improvement and is environmentally sound. Since its inception, the company has been committed to the healthy development of the water-purification industry and to the well-being of the population through a professional, dedicated and focused business concept. At present, the company combines the development, production and sale of its products and is assessed as a high-technology enterprise in guangdong province, and the bolet brand has become a well-known trademark in guangdong province. In order to meet the demand for safe and healthy drinking water for the population at large in a number of ways, the bollet product line has covered nearly 100 products in eight categories, including the ro anti-infilm water cleaning machine, the uf super leaching water cleaning machine, the driner, the pipelines, the soft water filter, the media...