上海试四赫维化工有限公司是由上海试剂四厂改制的多元投资有限责任公司，有着50年化学试剂专业生产的历史，在上海金山和宝山拥有两大生产基地，是全国精细化学品和化学试剂生产的重要骨干企业。产品近300种，畅销国内外。公司经上海市高新技术企业认定办公室审定，被命名为“上海市高新技术企业”，2008年通过质量、环境，职业健康安全管理体系认证，已连续获得五届“上海市文明单位”荣誉称号。

　　Brief Introduction
　　Shanghai No.4 Reagent & H.V. Chemical Limited Company is reformed of system by Shanghai No.4 Reagent Plant. It has 50-year-old history of reagent manufacturing. It has 2 bases of manufacture in shanghai Jinshan and Baoshan. It is one of the backbone enterprises in fine chemicals and chemical reagents in China. It provides about 300 varieties of products all over the world. The company is awarded "the Advanced and New Technology Enterprise" by Shanghai Advanced and New Technology Authentication Office. It has had QMS, EMS and OHSMS certification for a long time. It has won honor over again which is "the Model Unit of Shanghai municipality" 5 years in a row.