China Countersunk Bolts}}}

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.

Nabata na n'ùkwù ma ọ bụ ahaziri Single Coil Spring Lock Washers Heavy Type site na ụlọ ọrụ anyị n'oge ọ bụla. Anyị ga-enye gị ọnụahịa mbelata ụlọ ọrụ maka ngwaahịa anyị. DONGSHAO bụ Single Coil Spring Lock Washers Heavy Type emeputa na onye na-ebubata ya na China.

DONGSHAO bụ otu n'ime ndị na-asa akwa maka ndị na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na ndị na-ebubata ya na China bụ ndị nwere ike ịkwanye ndị na-akwa akwa maka nnukwu ike Bolts. Anyị nwere ike ịnye gị ọrụ ọkachamara yana ọnụahịa ka mma. Ọ bụrụ na ị nwere mmasị na Washers for High-Strength Bolts, biko kpọtụrụ anyị. Anyị na-agbaso àgwà izu ike na ọnụ ahịa akọ na uche, ọrụ raara onwe ya nye.

Dongshao bụ otu n'ime ndị na-emepụta China na ndị na - ebuta na - emepụta ma ọ bụ obere usoro na ọtụtụ afọ. Na-ele anya iji zụlite mmekọrịta azụmahịa na gị.

Ndị na-emepụta Dongshao na China na-enye ngwaahịa dị elu, a na-anabata gị ịzụta ọnụego square dị elu na ọnụahịa dị mma.

Otu n'ime ndị na-emepụta China nke Hexagon Head Flange Face Bolts, na-enye ọmarịcha mma na ọnụahịa asọmpi, bụ DONGSHAO. Nke a bụ ụdị bolt a na-ejikarị eme ihe n'ọtụtụ ụlọ ọrụ mmepụta ihe na nke obodo. Ọ nwere nkọwapụta eri nke M8 × 1-M16 × 1.5, eriri dị mma, akara arụmọrụ nke 8.89.810.912.9 na A2-70, yana ọkwa ngwaahịa A.