extravalue, a company based in hong kong, has been active in engineering, procurement, construction and other related services, such as agency services, human resource service,etc. in oil and petrechemical industries for years via the supports of its branch companies around china.<br><br>currently, extravalue have secured one offshore platform commisioning project with one of most famous company in the world and this project will takes about 5 years.<br><br><br>傳真：(