Ngwa anya

Ngwa anya nke enyere OPTO-EDU tumadi gụnyere ụdị microscope niile, binocular, telescope, refractormeter, polarimeter, hardest tester, niile emere na China, yana oke mma & asọmpi ụlọ ọrụ mpi! Na ihe karịrị 1500 + ụdị microscope, anyị nwere obi ike ịnye ndị ahịa anyị ụdị dabara adaba na ọnụahịa asọmpi.