Langvan

Langvan is listed under the Instruments To Measure Electricity category (which is under the following categories: Machinery & Equipment -> Instruments for Measuring and Testing of Electricity and Electrical Signals). They are listed as being a B2B (business to business) company. Langvan was founded in 2001. They are located at 6787 Wilson Boulevard in Falls Church, Virginia.
Mobile and regular directions can be viewed below as well as their phone number, ratings, website (when listed).