Last year, our company successfully delivered a large diameter stainless steel missile launcher pipe to a Chinese Aerospace Military enterprise. After a year of inspection and acceptance, after half a year, zheheng steel formally signed a high precision missile barrel for the Research Institute of a military industry group. Contract, production, installation, commissioning, qualified, delivery completed. Signs our large diameter stainless steel pipe inside and outside diameter and thickness straightness tolerance control and other manufacturing processes, to reach the domestic leading level.