
Chiangrong bụ ụlọ ọrụ na-ekerịta ọrụ na azụmahịa, guzobere na usoro ịgbakwunye igwe, na-ere ọkụ na vaning, ngwa ngwa pọmpụ, na mwepụta plastik plastik, na-agbatịkwu ya.
Nwere ọtụtụ narị 100 setịpụrụ ahịrị na-amịpụta .200 setịpụrụ akụrụngwa. Ihe na -emepụta ihe karịrị otu puku tọn. Isi ya nwere mmiri 6 6, gas, na-ata mmiri, minning, ịgba mmiri, ịgba mmiri, ihe karịrị usoro iri abụọ na asaa.
Ngwaahịa ndị ahụ dabara na ISO4427 / 4437, En12201 / 1555, Dun4130 Standa, yana ISO9001-2015, O., BGS, WRS.