Biogas Generator from 20KW / 25KVA to 700KW 875 KVA The Ruichang Biogas Gas Generators features advanced process, rational structure, reliable ... remotely operation for the users. 4). Test & Commissioning Each generator has been got through 2 hous load test for running ... . 7). Certificate: ISO9001:2000, BS4999, BS5000, BS5514, CE, EPA, ISO4001:2004 8). Package: Standard exporting Plywood Case