Renchen shanghai was founded in 2007, and gained exporting license in the next year, which is a professional fastener manufactory. we are specializing in producing various kinds of high fasteners, including external hex bolts and screws, nuts, etc, which have reached the standards of GB, ISO, DIN, AS, ANSI(IFI) and BS etc.We firmly believes that only if the company scrupulously abides by the principle of sincerity can it develop steadily and healthily so as to occupy a tiny place in the fiercely competitive market. Welcomes domestic and foreign clients to negotiate business and establish cooperation warmheartedly!