Yebdu-d deg 2009, s tɣellid deg Tamdint n Suzhou, Ccinwa, Suzhou BlackShields Environment Co., Ltd. d ameɣli ay d-yefk ad d-yefk tifrat n tneɣsiwin n ufal ay d i HVAC akked Chiller n tqebbubit n tbaxxa n lexbaṛ n lexbaṛ n lexbaṛ n lexbaṛ. Unagaz n tmehwant n tmehwant n tmurat, ttneqqin n tmerwiḍ n tmerwin n tmerwiḥ n tmerwint. BlackShields yessefka-d akken ad iɛawnen n yisaɣen-nneɣ n Telecom, tneffirt n Power, Tihni n Lḥaṛ, n uɣef-nnes ed n uɣef n uɣef-nnes i tmeslayen n ukemli d aɣef n ufesa. Ɣas teɣlamt n tejnyulu n tmeɣri n tmeɣri, tbaɣur ed yigenjiniyen n tɣranten, BlackShields yezmer ad tt-id-tebbart n tmelliwin n tmeɣli s tḥemmlen s yiman-nwen akken ad t-id-yesseɣlan d aserɣen ed aserr. D axadren, BlackShields ttbanen imsuren n teɣriwin n uɣef n uɣef n uɣef n uɣef n uɣef n uɣef n tmeɣri. Akk ifaɣen n BlackShields zemren ad tt-id-ten s uɣef n tbaɣra akken ad yelharen n tɣawsiwin ed leɣla. BlackShields yewweḍ asemsed n uhust n uɣlaft n tneɣmact n ISO9001 n tmerrt, ISO14001 n Useḥma n uɣef n uɣef n uɣli-s ISO45001 n uɣef n uɣef n uɣef n tɣellist n tmerwin n tmerwin n tmerwin n tmerwin, TUV ed UL, mliḥ. Ɣef yisutren n yimsaɣen.