A: Jinan Milifang Decoration & Design Co., Ltd.

Address: Building 6-1-111, Manshan Xiangshu, Central Park, Central District, Jinan City

B: Jinan Landu Logo Design Company

Address: Intersection of Huaneng Road and Chemical Fiber Factory Road, Lixia District, Jinan City (Blues International).

C: Jinan Xinhang Zhiyuan Advertising Planning & Design Company

Address: 24th Floor, Building 6, Lushangguo Olympic City, No.9777 Jingshi Road, Lixia District, Jinan

D: Jinan Jiahe Decoration & Design Co., Ltd.

Address: Erjian Rongji Business University, No.168 Garden Road, Licheng District, Jinan

The above design companies are all very professional and worthy of reference! I hope my answer will help you!