Established in 1981, Kai Shyun is a professional caulking gun manufacturer. Originally Kai Shyun focused on producing caulking gun for DIY users. Through continuous research, development and improvements, Kai Shyun has become a successful supplier in the market for professional dispensing equipment. We takes customer service seriously and therefore holds an esteemed reputation in its field. Kai Shyun maintains a very high level of customer satisfaction.