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DONGSHAO bụ onye na-emepụta China & onye na-ebubata nke na-emepụta Anchor Bolts na ọtụtụ afọ ahụmahụ. Na-atụ anya iwulite mmekọrịta azụmahịa na gị.

Dịka otu n'ime ndị nrụpụta ọkachamara, DONGSHAO ga-achọ ịnye gị Hex Bolt dị elu. Na anyị ga-enye gị kacha mma mgbe-ire ọrụ na nnyefe n'oge.

Maka Black Hexagon Nuts, onye ọ bụla nwere nchegbu pụrụ iche dị iche iche banyere ya, na ihe anyị na-eme bụ iji mee ka ngwaahịa ndị ahịa ọ bụla dịkwuo elu, ya mere ọtụtụ ndị ahịa nabatara àgwà ọma nke Black Hexagon Nuts anyị ma nwee aha ọma n'ọtụtụ mba. . DONGSHAO Black Hexagon Nuts nwere njirimara njirimara & arụmọrụ bara uru & ọnụahịa asọmpi, maka ozi ndị ọzọ na Black Hexagon Nuts, biko nweere onwe gị ịkpọtụrụ anyị.

DONGSHAO bụ otu n'ime ọkachamara Double End Stud na-emepụta na ndị na-ebubata ya na China. Ngwaahịa anyị bụ CE asambodo ma nwekwaa ngwaahịa nke ụlọ ọrụ, nabata na azụmaahịa Double End Stud n'aka anyị.

Dịka otu n'ime ndị nrụpụta ọkachamara na China, DONGSHAO ga-achọ ịnye gị Round Head Bolts. Na anyị ga-enye gị kacha mma mgbe-ire ọrụ na nnyefe n'oge.

Dongshao na-akpọ gị ka ị gaa na ụlọ ọrụ anyị ịzụta ihe kachasị ọhụrụ, na-ere ahịa, ọnụ ọgụgụ dị ọnụ ala, yana oke ọnụ ọgụgụ square. Anyị na-atụ anya iso gị rụọ ọrụ.