What does SPG mean in Chinese? Which brand does Chinese refer to?

SPG motor: specially developed and produced by South Korea SPG Co., Ltd., SPG is the first brand of small deceleration motor in South Korea, with complete product specifications and various varieties. Mainly used in precision machinery, automation equipment, electronic machinery and other industries, SPG motors have now become the preferred transmission components of many large and medium-sized enterprises at home and abroad, and occupy a very important position in the motor industry in the world. South Korean SPG motors sold in Chinese mainland are all imported from South Korea, and there is no assembly plant or production base in China, which has been CE-certified.