Zhitong Finance App News, Jianlong Weina (688357.SH) issued an announcement. The company recently received an authorized invention patent certificate issued by the State Intellectual Property Office of the People's Republic of China, involving a patent: “A method for preparing ZSM-5 zeolite”.

Zhitongcaijing · 1d ago
Zhitong Finance App News, Jianlong Weina (688357.SH) issued an announcement. The company recently received an authorized invention patent certificate issued by the State Intellectual Property Office of the People's Republic of China, involving a patent: “A method for preparing ZSM-5 zeolite”.