Shop our website or drop by the closest ntaifitness fitness store today and take a look at what we have to offer. Our staff is happy to answer any questions for you. Directly from the manufacturer. Business name: Shandong Ningtai Body Building Apparatus Limited Company. Address: No.287 KangBo DaDao Economic Development Zone, DeZhou City, Shandong Province, China 253082 Phone number: 86 (0534) 508-8836, 86 (0534) 508-8839