This document provides information about diesel fuel flow meters made by JSN, including contact details, specifications, features, parameters, materials, and applications. It states that JSN's diesel fuel flow meters can precisely measure the volumetric flow of clean liquids and are suitable for industries like automotive, aviation, mining, and petroleum. They are compact and economical, have high accuracy and repeatability, and can measure both high and low viscosity liquids with flow ranges from 0.1ml/min to 660l/h.