Beijing United Test Technology Co., Ltd is located in Beijing China, former founded in 1985 and mainly produce testing machine for metal and non-metal materilas. At very beginning, United test insist on the most important principle is product quality. With advanced technology and first class technician, now more than ten categories of products put into inernational and domestic markets. Include universal testing machine, compression testing machine, hardness tester, impact tester, torsion tester, abrasion and wear testing machine, plastic & rubber testing machine, interface tensiometer,...