都佰城取得酸中性纳米PHA纸板增强剂专利

Group 1 - The companies Duobai City New Materials Technology (Shanghai) Co., Ltd., Huan Tushi Coating Co., Ltd., Zhongke Lianhua Co., Ltd., and Duobai City Group Co., Ltd. have obtained a patent titled "Acid Neutral Nano PHA Cardboard Reinforcement Agent and Its Preparation and Application," with authorization announcement number CN121295549B, and the application date is December 2025 [1][2] - Duobai City New Materials Technology (Shanghai) Co., Ltd. was established in 2016 in Shanghai, primarily engaged in technology promotion and application services, with a registered capital of 15 million RMB. The company has invested in 2 enterprises, participated in 11 bidding projects, and holds 5 trademark records and 82 patent records [1] - Huan Tushi Coating Co., Ltd. was established in 2018 in Shanghai, primarily engaged in wholesale, with a registered capital of 160 million RMB. The company has invested in 1 enterprise, holds 16 trademark records, 42 patent records, and has 2 administrative licenses [1] - Zhongke Lianhua Co., Ltd. was established in 2017 in Shanghai, primarily engaged in technology promotion and application services, with a registered capital of 100 million RMB. The company has invested in 2 enterprises, holds 5 trademark records, 49 patent records, and has 1 administrative license [2] - Duobai City Group Co., Ltd. was established in 2016 in Shanghai, primarily engaged in business services, with a registered capital of 300 million RMB. The company has invested in 6 enterprises, holds 45 trademark records, 49 patent records, and has 1 administrative license [2]