Provide technical parameters analysis that comply with the national standard analysis requirements of biodiesel (BD100) for diesel engine fuel blending (GB 20828-2015), such as density, kinematic viscosity, flash point, cold filter plugging point, sulfur content, residual carbon, sulfate ash content, water content, mechanical impurities, copper corrosion, cetane number, oxidation stability, acid value, methanol content, free glycerol content, distillation range, monovalent metal (Na+K) content, divalent metal (Ca+Mg) content, ester content, phosphorus content, etc; And other control technical parameters such as chlorine content, nitrogen content, iodine value, saponifiable value, etc.