About Us Jinhua Tianyi Tools Co., Ltd. is a rising corporation mainly engaged in the production of series caulking guns which used in architecture and upholster. [Tianyi] abide by the motto "only speciality can create value", ameliorate corporation managing system constantly. The all staff of Tianyi have firmly faith, hold together, improve technology and quality of product endlessly,in order to become the best of the line in caulking guns. Our clients appreciate our products for the advanced de