Hubei Huayuan Technology Co., Ltd. is located in the beautiful Wuhan Optics Valley. The company has several researchers and senior engineers, specializing in the research, production, and marketing of analytical instruments and meters. The HC series trace sulfur analyzer produced by it was produced under the guidance of the original inventor of the HC series trace sulfur analyzer, a former expert professor at Hubei Institute of Chemistry. Used in hundreds of fertilizer plants, coking plants, and liquefied gas tank plants across the country, and also exported to foreign countries. The HC-3 trace sulfur analyzer is particularly suitable for use in the methanol production process from coking plant tail gas. Compared with trace sulfur analyzers produced by other domestic factories, it can better analyze various organic sulfur components and can replace imported sulfur analyzers