Chongqing Endurance Ecological Technology Co., Ltd. has introduced from Japan's Mitsui Shipbuilding the proprietary technology regarding restaurant waste pre-treatment and wet anaerobic digestion, which can ensure a stable operation without tank cleaning for 10 years. For resource recovering of organic waste from catering, kitchen, fruit and vegetable, sludge, livestock and poultry manure, the company provides modular treatment systems according to customer needs, including pre-treatment system, oil extraction system, gutter oil system, anaerobic and dehydration system, deodorization system, biogas purification system, power generation system, fertilizer system based on biogas slurry and biogas residue, etc., all at the world-leading status.