As a member of china fasteners association, Ningbo haixin hardware Co., Ltd. (Ningbo Heavy duty standard factory) specialized in producing of the heavy standard & high tensile fastener products. Company was established on 1983, covers an area of 20,000 sqm, a building spare of 12,000 sqm, fastener specialized equipments of more 100 sets included in 20 sets of inspection and testing facilities. Now, senior engineer has 3,8 are engineer and technical personal. It consists in a quality ensuring system of practical. Amount of production in year reaches to 10,000tons. Products include American standard, Germany standard, British standard, Japanese standard, state standard and non-standard special fastener, reasonable manage, various equipments, advanced workmanship, rigidity monitor, through the authentication of GB/T19000.3-ISO9002 quality system, the products are far sold in Europe, America and so on. It is enjoyed high reputation to customer.