China Ọla kọpa Flat Washers}}}

Nabata na n'ùkwù Cross Recessed Pan Head Wood screws n'aka anyị, a na-aza arịrịọ ọ bụla sitere n'aka ndị ahịa n'ime awa 24. DONGSHAO bụ onye nrụpụta ọkachamara, anyị ga-achọ ịnye gị Cross Recessed Pan Head Wood screws na anyị ga-enye gị ọrụ kacha mma mgbe ire ere na nnyefe oge.

Otu n'ime ụlọ ọrụ China na-enye Hexagon Bolts maka Flange Pipe maka ire ere bụ DONGSHAO. Maka gị, anyị nwere ike ịnye ọnụahịa ka mma yana ọrụ ruru eru. Ọ bụrụ na ị nwere mmasị na Hexagon Bolts maka Flange Pipe, jiri obiọma kpọtụrụ anyị. Anyị na-agbaso ụkpụrụ nke akọ na uche na-eduzi, na-arụ ọrụ na-akwụ ụgwọ maka mmesi obi ike dị mma. Otu Anyị na-agbaso ụkpụrụ nke ọrụ akọ na uche na-akwụ ụgwọ, nke a raara onwe ya nye, ka ị wee nwee ahụ iru ala.

DONGSHAO ji obi ụtọ na-anabata gị ka ị na-ere ahịa Heavy Hex Bolts sitere na ụlọ ọrụ anyị. Ngwaahịa anyị bụ CE asambodo ma nwee nnukwu ngwaahịa ụlọ ọrụ ugbu a. Anyị ga-enye gị ezigbo ọrụ na ọnụ ahịa mbelata ụlọ ọrụ.

Dongshao bụ onye na-emepụta ndị China na-enye aha na onye na-eweta ahụmịhe na ahụmịhe nke ahụmịhe Isher. Anyị na-atụ anya igosipụta mmekọrịta gị na gị.

DONGSHAO bụ otu n'ime ndị na-emepụta Square Bolts na ndị na-ebubata ya na China ndị nwere ike ịzụ ahịa Square Bolts. Anyị nwere ike ịnye gị ọrụ ọkachamara yana ọnụahịa ka mma. Ọ bụrụ na ị nwere mmasị na Square Bolts, biko kpọtụrụ anyị. Anyị na-agbaso àgwà izu ike na ọnụ ahịa akọ na uche, ọrụ raara onwe ya nye.

Dị ka otu n'ime ndị nrụpụta ọkachamara, DONGSHAO ga-achọ ịnye gị screws Slotted Countersunk Head screws na Full Dog Point. Na anyị ga-enye gị kacha mma mgbe-ire ọrụ na nnyefe n'oge.