On March 27, 2018, Ma Zhenzhu, General Manager of CTC, met with a four-member business delegation from UL led by Mr. Alberto Uggetti, Vice President of UL and Global General Manager of UL Environment, and Ms. Sun Guohui, General Manager of Greater China of UL Environment. Zhu Lianbin and Liu Yuanxin, Deputy General Managers of CTC, and relevant department heads also attended the meeting.

At the meeting, General Manager Ma Zhenzhu introduced the basic business situation of China Building Materials Academy and CTC to the UL delegation. Ms. Sun Guohui of the UL delegation introduced UL and the business of UL Environment in GREENGUARD Indoor Air Quality Certification, ECOLOGO environmental certification, and the SPOT online data platform. The two sides held in-depth and friendly discussions on strengthening business cooperation, mutual recognition of results, and exchange visits, and reached consensus on key areas for next-step cooperation.