Is it difficult for Ningxia Construction Engineering Group to enter?

it's hard to get in. According to the relevant materials, Ningxia Construction Engineering Group is a company with a history of 5 years, which is difficult to enter. Ningxia Construction Engineering Group Co., Ltd. is a wholly state-owned enterprise established by the merger and reorganization of Ningxia Construction Group Co., Ltd., Ningxia No.1 Construction Company, Ningxia No.2 Construction Group Co., Ltd. and Ningxia No.5 Construction Company, with a history of more than 5 years.