Ningbo Dingshen Metalworks Co., Ltd. e hiwere na 1998, emi odude ke Ningbo China. Dị ka onye so na Chinese Fastener Association, anyị bụ ndị ọkachamara n'ichepụta elu ike isi bolt, Thread stud Bolt, Kpatụ njedebe stud, arịlịka bolt, ịghasa, aku, Washer na ahaziri machined akụkụ, nke na-ọtụtụ-eji na mmanụ & gas ụlọ ọrụ, Petrochemical ụlọ ọrụ. Ọdụ ọkụ, Nrụpụta igwe, igwe eji arụ ọrụ na ngwa eletriki. Ụkpụrụ na-ekpuchi ANSI/ASTM, DIN, ISO, BS, GB, JIS, AS, na ndị ọzọ. Mgbe ihe karịrị afọ iri mgbalị na-adịghị agbanwe agbanwe, ugbu a ụlọ ọrụ anyị na-ekpuchi ebe 30,000 sq.m, na-ewu ebe nke 20,000 sq.m. Anyị nwere ihe karịrị 200 mmepụta equipments na 30 ule ngwaọrụ. W......