Henan Touch Science Instruments Co., Ltd Founded and based in Henan, China, Touch Science is a professional manufacturer and exporter that is concerned with the design, development and production of lab equipments, in the areas of heat treatment and material processing for universities, research facilities and labs. We have more then 15 years of manufacturing experience with rotary evaporator crystallizer, glass reactors, drying ovens, chillers, water ring vacuum pumps, and other lab instruments. We have gained a global sales network reaching USA, Canada, Europ, Chile, Japen, India, etc. We attach importance to every customer and every order. 100% customer satisfaction is always our first priority. We provide quantity discounts and will reply to your requests within the same business day. Our goal is to build up business partnerships with friends around the world.