Dear Sirs,We are Pleased to introduce ourselves as one of the Manufacturer of Borosilicate Glass Equipments company in India. We are located with fully equipped machineries for continuous production for PTFE Screcock, Test Tubes & Vials/Culture Bottles etc.,Our Main Products:1. Rotoflow stopcock PTFE 8mm to 16mm For Burete & Seperating funnels2. Culture Media Tube, Round Bottom, with Screwcap & Liner3. Culture Media Tube, Flat Bottom with screwcap & LinerFor Further Information about our products, please visit our Website :http://www.ggw.110mb.com/Thanking you,for Ganga Glass WorksV.ManivannanProprietor