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nkwụnye - pụrụ iche eri
Ụlọ ọrụ ahụ nwere nkà na ụzụ nhazi nhazi mmanụ casing mmanụ na ike mmepụta ngwaahịa ọhụrụ; nwere nnukwu ndị ọkachamara na ndị ọrụ nka na ndị ọrụ nwere nkà; nwere ọkaibe mmepụta na nhazi akụrụngwa, nyocha ngwa na ngwá ọrụ, yana akụ nke mmanụ-kpọmkwem tubing (OCTG) ngwaahịa ahụmahụ Threading.
Ime ụlọ 703 Building B, Greenland center, Hi-tech development zone Xi'an, China
86-13609153141
