Hongkong Guijin Technologh Limited bụ ụlọ ọrụ ọkachamara na -echepụta, na -emepe, na -arụpụta ma na -ere ihe nkwụnye ọkụ na ịgbanye ọkụ. Isi ngwaahịa ụlọ ọrụ ahụ na -ekpuchi site na 1W ruo 500W, a na -ejikwa ya na ọdịyo na vidiyo, obere ngwa eletriki, IT, nkwukọrịta, ọkụ na ọrụ ndị ọzọ.
A na -ebupu ngwaahịa anyị n'ọtụtụ mba na mpaghara nwere asambodo mba ụwa zuru oke, dịka UL, ETL, FCC, GS, CE, CB, PSE, SAA, KC, BS, CCC, wdg Ka ọ dị ugbu a, anyị etinyela ihe karịrị nde atọ. RMB maka asambodo ngwaahịa, ngwaahịa niile na-agbaso ụkpụrụ nchekwa na ụkpụrụ ọhụrụ, dịka UL60950, EN62368, EN60950, EN60065, EN60335-2-29, EN61558-2-16, EN61347, GB4943, GB8898, GB19510 wdg. , anyị nwere ike tinye akwụkwọ maka asambodo nchekwa ndị ọzọ wee nye ngwaahịa ahaziri dịka ihe ndị ahịa chọrọ si dị.