LUOSHI Technology Zhangjiagang branch, established in July 2001 is a company mainly deal with the research, development and popularization of the environment-protection home appliance------“Weida” brand water purification device with disinfect and super-filter. It is a small-sized a private stock company. It’s initial capital reaches USD500,000.

The Chief doctor from Nankai University, Professor Luo Yan acts as the technical inspector-general and chief engineer. He applies bacteriology, virus, chemical and water-treatment knowledge, together with his practical experience, blends over ten formulas of traditional Chinese medical science and has found out a virustatic-disinfectant L-F of achloride, high-performance and broad spectrum is called magical black pearl. “Weida” brand water purification device combine the L-F with film separation technique that is the Hi-tech, having first developing potential in 21 Century. The product has much patent technology, thoroughly settled three pollutions in water: bacterium and virus, heavy metal, and any other organic pollution materials. Meanwhile, it remains the necessary elements needed by people. This water is the newest healthy drinking water, can be widely used in family and office.