Dear Client,Thanks for your interest on our product .Here please let me introduce our company is a manufacturer as well as an trading company in China for chemical product and battery cells. Due to its low-cost and high skilled manpower, we are able to produce & supply export quality products suiting the taste of the global consumer in sync with the global culture. We export and deliver promptly to any port in the world and with high quality products .Our product are 100% EU standards and approved.We can best supply you and meet up with your demands for product as below:Re:1.Silica sol quick dry silica solammonia silicon solacidic silica solneutral silica sollarge pneutral silica solarticles of silica sol2.Battery cellslithium thionyl chloride(energy)(power type)celllithium manganese dioxide batterylithium sulfur battery3.custom-built charger for electronic equipment.All these can be made as per your requirement