ABOUT US

Our Story

Three-In-One Enterprises Co., Ltd. (TIO) was established in Taiwan in 1974. Tio is a professional and well-known manufacturer of Auto testers, Automotive tools, Auto Windscreen tools, DIY tools, Refractometers, Industrial Endoscopes/Borescopes, Medical endoscopes, and other OEM/ODM products based on the demands of customers.

We constantly upgrade ourselves to meet international standards in any aspects and also be part of technology tendencies in the market. With our professional product development team, we can provide not only the high-quality products but also the instant support to our customers.

Our cauking gun section has many option for many application such as home application, industry application, auto glass application. Ect……caulking seems the simplest of homeowner projects, but anyone who has ever sealed around a bathtub knows it’s easy for this type of job to turn into a real mess. It takes practice to lay down a perfect bead of caulk. That’s why tradespeople who do it daily, like tile setters and painters, are so good at it.