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. Anyị nwere ihe karịrị 200 ọrụ, na a mmepụta ike karịa 2500Tons kwa ọnwa.
Anyị ụlọ ọrụ e certificated site ISO 9001: 2008 àgwà akara usoro. Ụfọdụ ngwaahịa anyị bụ CE na API 20E kwadoro.
A na-eresị ngwaahịa anyị nke ọma na Europe, North America, South America, Middle East na Southeast Asia mba na mpaghara. Anyị na-enweta otuto dị ukwuu n'aka ndị ahịa anyị n'ụlọ na ná mba ọzọ n'ihi ịdị mma nke ngwaahịa anyị na ezigbo kredit anyị.
Site na njikwa ọkọlọtọ, usoro usoro dị elu na nke tozuru okè, usoro njikwa mma a pụrụ ịdabere na ya, yana ọrụ dị elu, anyị kwenyere na anyị ga-emepụta ọdịnihu na-egbuke egbuke ọnụ.