PRET(SZ:002324) Sou Hu Cai Jing·2026-02-10 10:25Group 1 - The State Intellectual Property Office of China has granted a patent for a "dual-ring cage phosphonate phosphazene-derived flame-retardant PC/ABS composition and preparation method" to Shanghai Pulite Composite Materials Co., Ltd., Zhejiang Pulite New Materials Co., Ltd., and Chongqing Pulite New Materials Co., Ltd. The patent authorization announcement number is CN117946508B, with an application date of December 2023 [1][2] - Shanghai Pulite Composite Materials Co., Ltd. was established in 1999 in Shanghai, primarily engaged in the rubber and plastic products industry, with a registered capital of 1,112.336248 billion RMB. The company has invested in 23 enterprises, participated in 15 bidding projects, holds 30 trademark registrations, 756 patent records, and possesses 72 administrative licenses [1] - Zhejiang Pulite New Materials Co., Ltd. was founded in 2010 in Jiaxing, focusing on the manufacturing of computers, communications, and other electronic devices, with a registered capital of 700 million RMB. The company has invested in 1 enterprise, participated in 58 bidding projects, holds 601 patent records, and has 8 administrative licenses [1] - Chongqing Pulite New Materials Co., Ltd. was established in 2011 in Chongqing, primarily engaged in the manufacturing of chemical raw materials and products, with a registered capital of 200 million RMB. The company has participated in 11 bidding projects, holds 601 patent records, and possesses 46 administrative licenses [2]