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Zibo Sanfu Chemical Development Co., Ltd. is a manufacturing enterprise with over 20 years of history. Established in 1988, it was restructured from the former Shandong Boshan Additives Factory into a comprehensive enterprise integrating production and scientific research. It produces advanced chemical intermediates serving the pharmaceutical and dye industries and is also a specialized manufacturer of rubber additives. Pharmaceutical and dye intermediates include: 1> Indole and its derivatives series ? Indole ? 2-Phenylindole ? Sodium 2-phenylindole-5-sulfonate ? N-Methyl-2-phenylindole ? N-Ethyl-2-phenylindole ? 2-Methylindole ? 2,3-Dimethylindole ? 2,5-Dimethylindole 2> Phthalimide and its derivatives series ? Phthalimide ? Potassium phthalimide ? N-Chlorophthalimide ? N-Hydroxyphthalimide ? N-Methylphthalimide ? N-Hydroxymethylphthalimide ? N-Chloromethylphthalimide ? N-Bromomethylphthalimide ? N-Ethylphthalimide ? N-Hydroxyethylphthalimide ? N-Methyl-4-nitrophthalimide ? 4-Nitrophthalimide 3> Rubber additives include: ? Accelerator series: M, DM, BZ, CZ, DZ, EZ, NS, MBS, TT, TS, DPG, ETU, etc. ? Antioxidant series: SP, TMQ, TNP, 6PPD, 8PPD, EPPD, IPPD, OPPD, etc. ? Peptizer series: SJ-103 ? Anti-scorching agent series: CTP (PVI) The company consistently advocates quality first, strictly implements the ISO9000 quality management system in production, and has purchased a complete set of advanced and comprehensive testing equipment to ensure product quality and meet customer needs. The company aligns with the international market, introduces new technologies and processes, enhances the technical content of its products, and maintains high competitiveness among peers in both domestic and international markets. The company invests substantial funds annually in the development and production of new products, continuously innovating, with many products even reaching internationally leading levels. The company has obtained ISO9001-2000 quality management system certification; ISO14001-2004 environmental management system certification; OHSAS18001-1999 occupational health and safety management system certification, and has received the "Zibo High-Tech Enterprise" certificate. Adhering to the business philosophy of "Honesty and trustworthiness, people-oriented!", the company always prioritizes customer needs, insists on market orientation, technological innovation, pursues efficiency while emphasizing safety production and environmental protection, strives to build a leading domestic dye enterprise, and works tirelessly to advance into the forefront of the global dye industry.