Company Profile: Zhongshi Walker (Tianjin) Technology Development Co., Ltd. is a high-tech enterprise dedicated to the research and development, manufacturing, sales, and service of a series of scientific instruments. Zhongshi Walker has a high-quality R&D and after-sales team that has been committed to the basic research of spectroscopy and chromatography technology. Over the years, the company has adhered to independent R&D and continuously absorbed high-end talents in spectroscopy and chromatographic analysis technology. Through unremitting innovation and efforts, the company has more than 20 independently developed products, including Fourier transform infrared spectrometers, infrared spectrophotometers, sulfur dioxide residue detection devices, photochemical derivative systems, infrared oil meters, intelligent disintegrators, dissolution testers, and infrared sample pretreatment accessories. The photochemical derivative system has received unanimous praise from users for its simple structure, easy adjustment and measurement, high sensitivity, and good stability. Infrared spectrometers and pharmacopoeial products provide effective solutions for GMP certification in the pharmaceutical industry. Business philosophy: Zhongshi Walker believes in "quality first, integrity as beauty" and is committed to providing customers with high-quality scientific services, continuously improving their technical level, accelerating the pace of scientific research, and enhancing customer value. The service sector refers to major domestic enterprises in the service field; Evaluation and certification of universities, GMP certification, and the 211 Project; The construction of key laboratories in industries such as hospitals, factories, mines, research institutes, health and disease control, pharmaceuticals, quality inspection, petrochemicals, environmental protection, and food, providing one-stop high-quality services including consultation, design support, and after-sales service.