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My name is Zhao Jialin; my WeChat ID is 15005197669. I am a chemical engineering technician who has been focusing on cyclohexylamine technology for many years. Those who have experience in the technical research and development or project construction of the following areas are welcome to share their insights. 1. Nanjing Sili Chemical Co., Ltd., a Sino-foreign joint venture, whose main products are: *** and aniline. 2. Nanjing Jintian Chemical Co., Ltd., a Sino-foreign joint venture, whose main product is cyclohexylamine. 3. **Sanyuan Enterprise (Nanjing) Co., Ltd., a wholly-owned company; main products: cyclohexylamine, saccharin. 4. **Duzijin Chenghua Chemical (Nanjing) Co., Ltd. – Main products: ***, aniline, saccharin. 5. Shandong Huahong Chemical Co., Ltd. (Tai’an City, Shandong Province); main products: ***, aniline, cyclohexylamine. 6. Zhanhua Jiashi Chemical Co., Ltd. (Binzhou City, Shandong Province); main products: cyclohexylamine, aniline, o-toluidine. 7. Zhucheng Taisheng Chemical Co., Ltd. (Zhucheng City, Shandong Province) – technology transfer for cyclohexylamine. 8. Dongao Chemical Co., Ltd. of Shengli Oilfield (Dongying City, Shandong Province): main products include nitrotoluene, o-toluidine, γ-butyrolactone, and N-methylpyrrolidone. 9. Caike Chemical/Victory Oilfield Dongao Chemical Co., Ltd. (Hekou District, Dongying City, Shandong Province), main products: nitrotoluene, o-toluidine, γ-butyrolactone, N-methylpyrrolidone. 10. Tianjin Duofuyuan Industrial Co., Ltd. (Jinghai District, Tianjin): Research and development of continuous nitration technology for naphthalene, **research and development of continuous gas-phase hydrogenation technology. 11. A domestic company specializing in the research and development of cyclohexylamine technologies, as well as in the research and development of M-process technologies for rubber accelerators. 12. Nantong Haiqing Pharmaceutical Technology Co., Ltd. (Nantong City, Jiangsu Province): Research and development of continuous nitration technology using mixed acids, as well as research and development on the application of vortex continuous-flow microreactor technology.