What grade is Taiyong Long March component?

First gear in China. Taiyong Changzheng is a first-line brand, focusing on the high-end market of low-voltage electrical appliances industry, winning many honorary titles, leading or participating in the revision of many national standards and industry standards. Guizhou Taiyong Changzheng Technology Co., Ltd. is a low-voltage electrical appliance company located in Zunyi. Its predecessor was Guizhou Changzheng Switch Manufacturing Co., Ltd.