PT series is Shanghai three fly sporting goods Co., Ltd., which lasted a year and a half research and development, launched in 2011 the new commercial strength products series. Has been introduced, including hanging pieces of equipment 11, free training equipment 8, a total of 19 products.

PT series of products using 50 x 100 principal elliptic tube wall thickness of 2.5 mm, fully meet the needs of professional training in large load training needs. The color matching adopts the metal flash silver and the elegant blue which are consistent with the TH series. Eventually formed with the TH series of high and low, complementary functions of the commercial elliptical tube strength training products.