Source: EPSG:4575 — New Beijing / Gauss-Kruger zone 20
projected system measured in linear units (typically metres) · Area of use: China - 114°E to 120°E onshore
+proj=tmerc +lat_0=0 +lon_0=117 +k=1 +x_0=20500000 +y_0=0 +ellps=krass +units=m +no_defs +type=crsMore about EPSG:4575 →