Beijing Zhongxing Huili Science & Technology Co., Ltd (Beijing Zhongxing Analytical apparatus & Instrument High-tech Research Institute) is a manufacture specializing production gas Chromatography and its related products. The company has complete technique, with powerful technology strength. Main products include: hydrogen generator, nitrogen generator, and air generator; headspace sampler, geological logging chromatography; pyrolysis sample injector, alcohol tester, and etc.

     The company has long been sticking to the spirit of meticulosity on the product performance and quality. The products produced by the company have passed the test conducted by the National Analytical Instrument Quality Supervision Center (performance, environment, safety, storage and transportation), and they are widely applied in the fields such as petroleum exploration, petroleum refinery, chemical engineering, electric power, pharmacy, vintage, public security, universities, and research institutes, etc.