On September 18, 2018, leaders of Henan Pinghe Filter Co., Ltd., a Sino-Japanese joint venture, came to the Company for visit, investigation and business negotiation. The visit team consisted of 5 members, including head of the technical department of the headquarters, person in charge of experiment of the headquarters, deputy general manager of technology, technical director, andtranslator. The executive deputy general manager (Mr. Li Pan), technical director (Dr. Gao Qiong), deputy general manager of sales (Ms. Song Lihong), regional manager and person in charge of technology of the Company jointly received and pleasantly exchanged with the visit team, with both sides reaching a consensus finally.