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.
GỤKWUOZipu ajụjụDONGSHAO 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.
GỤKWUOZipu ajụjụ