As of the end of 2016, our company was awarded by the State Intellectual Property Office of the People's Republic of China, and there are 9 "utility model patent certificates", respectively, "a special internal nozzle device for pickling large-diameter copper-nickel alloy tubes" and " A stainless steel tube center hole rapid positioning and punching device", "a special external nozzle device for pickling large diameter copper-nickel alloy tube", "a stainless steel seamless tube pressure expansion device", "a cold Pulling the gripper", "A stainless steel inner surface polishing machine", "A high-speed polishing device for steel pipe surface", "A lye sprayer for acid mist purification", "A stainless steel perforated plug"; invention patent Item 1, "A method for producing stainless steel pipes for condensers". 

 The company said that the above patent technology has been applied to the company's related product programs. The acquisition of patents will not have a major impact on the company's current production and operation, but it will help the company to further improve the intellectual property protection system, form a continuous innovation mechanism, and enhance the company's core. Competitiveness.