Liding environmental protection focus on environmental regional decentralized sewage treatment for ten years, segmentation leading the industry, and strive to use the power of science and technology for the industry, for the motherland, for a side of the human habitat to contribute more powerful pain point solusi. LD-SA Small-scale Johkasou is able to efficiently meet the decentralized small amount of water farmers integrated sewage treatment equipment, can be widely used in the beautiful countryside, scenic spots, hotels, B&B, mountainous areas, farmhouses, service areas, high altitude areas and other decentralized domestic sewage treatment needs.