Xi'an Toption Instrument Co., Ltd. has focused on R&D and production of freeze drying products and related supporting products, and actively exploring and studying various application fields related to freeze drying.

We are serious about three things: freeze dryers, quality, and customer service. So, when you choose to purchase a Toption freeze dryer, you’re not only getting an innovative appliance that is built to last, you’re also investing in a product that you can trust, "TOPTION" will be your "TOP OPTION".