Igwe na-ejuputa mmiri mmiri

Nkọwa

Onye ngwugwu a agafeela nyocha na nka mpaghara, ndenye arụmọrụ niile ruru ogo ngwaahịa ndị China dị elu wee nweta ihe nrite ọla edo maka nrụpụta patent.Na 1995, ọ gafere ule nke State Bureau of Quality and Technical Supervision wee gosi ya dị ka ọkọlọtọ. A na-anwale usoro a ogologo oge na arụmọrụ ya na-enweta aha dị elu . Ruo ugbu a, anyị nwere ihe karịrị ndị ọrụ 10000. china, ha niile na-egosipụta na usoro isiokwu a dị mfe na-arụ ọrụ ma na-agba ọsọ were were na obere ọdịda ọnụego.Pasent nke ngwaahịa akwadoro karịrị 99%.

Isi ojiji:
A na-eji ya eme ihe maka ịkwakọ ngwaahịa mmiri dị iche iche.dị ka: mmiri ara ehi, soya-mmiri ara ehi, mmiri ara ehi ahụekere, ihe ọṅụṅụ, ihe ọṅụṅụ, ice akpa ọṅụṅụ, soysauce, mmanya, odo osikapa mmanya na beancurd, na ndị ọzọ. Jiri single-layer PE film ma ọ bụ abụọ-layer ma ọ bụ atọ oyi akwa.