The difference between East China Institute and Huaying Institute.

1. The establishment of East China Institute usually refers to the establishment of East China Institute (East China Branch of China Architectural Design and Research Institute), and Huaying refers to the establishment of Huaying Engineering Consulting Co., Ltd.;

2. East China Institute is one of the branches of China Architectural Design and Research Institute, mainly engaged in architectural design, planning, consulting and other aspects. Huaying Engineering Consulting Co., Ltd. is an enterprise specializing in engineering consulting, design and supervision services.