北京京仪海福尔自动化仪表有限公司（原仪表四厂）是物位、流量仪表的专业生产厂家。其产品销往国内各省市自治区，部分产品出口或配套出口。本公司创建47年，技术力量雄厚，工艺装备精良，质量保证体系健全，售前售后服务完善，与国内外厂商有着广泛的联系和友谊。本公司在30万吨乙烯项目中给用户提供了大量新型物位仪表。通过引进美国维雷公司的技术，研发了浮子钢带液位计及变送器等产品。八五期间，磁浮子液位及开关系列产品，由国家经贸委评定为***新产品并批量生产，可满足工程配套的要求。本公司通过了ISO9001质量管理体系和ISO14001环境管理体系认证。并于2003年与韩国昌民技术有限公司共同投资，成立了北京昌民技术有限公司，生产具有国际**水平的多声道超声波流量计。目前，本企业在位于北京大兴工业开发区的生产基地建造了拥有24米高的检测水塔，用于对大量程液位测量仪表进行液位标定和检测。本公司坚持“高技术起点，高素质员工，高效率运转，高质量产品与服务”的“四高”经营思想，成为中国物位、流量仪表的主导生产企业和用户*可信赖的自动化仪表系统成套供应商。进年来部分产品出口土耳其，伊朗，叙利亚，俄罗斯等国家。
Beijing JingYi-Hifor Automation Instrument Co. Ltd. is a famous Chinese manufacture of measuring instrument, testing systems and sensors for a wide variety of markets and applications. It has more than 40 years of industry experience to research and produce level measuring instruments widely used in industry process, chemical, petroleum, pharmaceutical, food, water treatment, petrol station and etc since 1958. This company provides products featured by high precision, stable and reliable performance and advanced design. It is mainly focus on producing all kinds of level measuring gauge, offering solution methods for some companies and excellent customer services for all clients. This company has the certificate of IS09001 and IS014001. In addition, Hifor has cooperated with Israel, Australian, Korea and etc. technology companies to research and produce advanced technology products such as Solid At series and Sultan series ultrasonic level measuring and control instrument. The technical and quality indicators of all products have reached advance level of domestic and foreign products in the same type with competitive price. Some of products have exported into Asian, European and etc.