上海良工阀门厂有限公司创建于1946年，是国内唯一既生产阀门又生产各类阀门驱动装置的专业厂家。拥有国内外多种设计、制造、供应证书，产品畅销国内外，深受国内外客商欢迎。 公司总投资1亿7百多万元。现有生产厂房21200平方米，办公用房3000平方米，技术力量雄厚，有高级工程师8名，高级职称管理人员4名，各类技术人员50多名，有各类主要加工和试验设备400多台。 “工”字牌商标被评为“上海市著名商标”。公司产品多次获得国家级新产品证书，国家银质奖，国家科技振新一等奖，机械部名牌产品。 公司主要产品有：各种材质的闸阀、截止阀、止回阀、平板阀、低温阀、电站阀、蝶阀、球阀和电动装置等，使用压力1.6~42Mpa（150lb~3500lb）使用温度：-196℃~680℃，口径：3~1200mm。（蝶阀最大口径可到2500mm。） 总经理率全体员工愿积60年的设计、制造管理经验，不断创新，积极、诚信地为国内外客商服务，并热情欢迎您莅临公司考察、指导、洽谈业务。 Established in 1946 and subordinate to Shanghai Electrical (Group) General Company, Shanghai Liang Gong Valve Factory Co., Ltd. is an enterprise specializing in the production of valves and valve drive devices. It is an export enterprise in Shanghai, and its "工"brand has been granted as Famous Brand in Shanghai by Shanghai Administration for Industry and Commerce. We have about 300 employees, of which 80 employees are engineering and technical personnel who have education background above college and vocational school and whose specialties are related to various areas evenly. With strong technical force and advanced production process, our factory has the ability to develop, design, product and manufacture a variety of pressure valves and valve drive devices. There are more than 400 main devices for processing. Our main products include a variety of valves and valve drive devices, such as gate valves, globe valves, check valves, low temperature valves, and nuclear powervalves, with caliber of 1/2~24" (DDN 15mm~600mm) and pressure of 150Lb~2500Lb (PN1.6 Mpa~42.0 Mpa), for use mainly in petrochemical, petroleum, power stations, piping gas from west to east, nuclear power, sold for use in major domestic projects and exported as far as to famous multinational companies in more than 20 countries and areas in the world. Since the access of China into the WTO, Shanghai Liang Gong Valve Factory Co., Ltd. has carried out system reform to give away the thought and idea formed during planned economy times, introduced and absorbed advanced management system and operating concept, and improved the quality concept of employees, and developed steadily and healthily.