ok. Jingbo Holdings Yifeng new materials registered trademark, industrial and commercial department certification, business license, etc. Shandong Jingbo Holding Group Co., Ltd. (hereinafter referred to as Jingbo) was founded in 1991 as Boxing County Lubricating Oil Factory, a school-run factory with less than 1 employees. Through gradual restructuring, it has become a national school-learning modern enterprise group funded by social charitable organizations and individuals. As one of the top 5 Chinese enterprises, Jingbo is committed to providing products and technologies such as energy, new materials, development of agriculture, countryside and farmers, logistics and so on to the terminal and society.