Shandong Sanjia lnvestment Holding Group Co, Ltd. rose in Zhaoyuan City in 1987. Based on the vermicelli industry and after more than 40 years of development, the company has gradually developed from a single company to a large circular and large ecological diversified group company with pea protein and starch, Longkou vermicelli, carton packaging, biological organic fertilizer and ecological planting five industries.