Shenzhen RNB Trading Co., LTD was founded in 2010, specializing in dental with root canal file and orthopaedic silk production, development and sales. The company existing staff of more than 50 people, and possess a high, intermediate technical title professional technical management personnel, has an experienced, technology comprehensively, good problem professional production team. The company currently produces the oral medical products mainly include: the root canal file, pull out pulp needle, conveying needle, orthopaedic silk and spring. Root canal file into stainless steel tube file and nickel titanium tube file. Stainless steel tube file is a traditional root canal therapy apparatus. And nickel titanium tube file is using its has good elasticity and memory function, is its curve, torsion deflection also easy restorable itself characteristics. And traditional stainless steel tube file, compared their excellent flexibility can make treatment completely follow root canal degree of curvature of, can more effectively cope with curved root canal, Its good fatigue resistance, could significantly reduce root canal therapy in file fracture of opportunities. Nickel-titanium alloys orthopaedic silk used for teeth deformity correction, with advantageous tenacity matching, suitable for all kinds of complicated situations, its superior constant elasticity can, make orthopaedic effect more remarkable, smooth surface treatment, and make products with higher fatigue life. Since the company was founded, in the people-oriented, innovative medicalof the enterprise purpose, in design, development, production and service process strictly in accordance with the relevant legal requirements for operation, always adhere to the principle of strict scientific attitude, and constantly proven cost reduction initiatives, so as to ensure products in performance to price in a highly competitive position. Through the joint efforts of staff, the company's product quality, technical stren