The beijing daejin silicates new materials inc. (hereinafter referred to as otsin ag) is a company that introduced silicate mashed products and technologies from japan in 2003. Over the years, it has introduced a systematic product line that adheres to the professionalism of production and secures product quality. The long-standing commitment to eco-wall marketing, production and technology development, which is dominated by silicate mosaics, has produced a group of professionals in the industry and has created the "otsu mite" brand, which is now known as a green eco-wall professional enterprise in the sea and beyond. With its strong technical strength in the field of green eco-walls, otsin corporation has acquired more than a dozen patents and know-how on silicate-sil algae mudslides. It has established friendly exchanges with well-known national research institutions for building materials, including the general institute for building materials science and research, the national l...