RETL | China | Beijing CGC Certification Center Co., Ltd. |
RETL | China | China Classification Society Certification Co., Ltd. (CCSC) |
RETL | Denmark | “Wind Turbine Test”, Test and Calibration (TAC), DTU Wind and Energy Systems, Technical University of Denmark |
RETL | China | SERCAL- Shanghai SERCAL New Energy Technology Co Ltd |
RETL | Germany | DNV Energy Systems Germany GmbH |
RETL | Germany | UL Solutions |
RETL | Germany | WIND-consult Ingenieurgesellschaft für umweltschonende Energiewandlung mbH |
RETL | Netherlands | TNO Energy Transition |
RETL | Germany | Windtest Grevenbroich GmbH |
RETL | Spain | Aresse Engineering S.L. |
RETL | Korea, Republic of | Korea Institute of Energy Research |