On November 25, 2019, China International Import Expo Bureau and National Convention and Exhibition Center (Shanghai) have sent a letter of appreciation to Raumtechnik in recognition of Raumtechnik's outstanding contribution during the second China International Import Expo.

As one of recommended special constructer for the 2^nd. CIIE, Raumtechnik has served the expo for two consecutive years. In this expo, its passion and dedication to work has won praises and praises from all visitors. Raumtechnik has demonstrated its profession in construction, thorough which its business card was polished to the world.