NingBo Sajoo Switch Co., Ltd.ku takhasusay r&d, wax soo saarka iyo iibinta dhammaan noocyada kala duwan ee rookarka, beddelka biyuhu, badhanka, shid micro, slide switch, ac socket, multi-functional relay iyo accessories kale oo elektaroonik ah.Shirkaddu waxay ka gudubtay ISO 9001 nidaamka maamulka tayada caalamiga ah shahaado. wax soo saarka iyo wax soo saarka si waafaqsan ENEC, TUV, UL, cUL, CQC, KC, CE iyo hay'adaha kale ee shahaado caalamiga ah iyo Midowga Yurub ROHS heerarka deegaanka, alaabta si 100% tijaabiso oo u adkeysan imtixaanka danab, si loo hubiyo in adeegga nolosha iyo badbaadada alaab kasta.SAJOO waa mid ka mid ah warshadaha yar ee warshadaha leh UL61058 shaybaarka caadiga ah, oo leh qalab tijaabo ah oo heer sare ah oo dhamaystiran. Waqtigan xaadirka ah, alaabooyin badan ayaa helay shahaadada koowaad ee UL61058 ee warshadaha, waxayna si joogto ah ula shaqeeyaan shaqaalaha UL si ay u kormeeraan warshadda.Ningbo Sajoo Switch Co., Ltd. had iyo jeer u hoggaansamaan "tayada ugu horeysa, maareynta daacadnimada" fikradda, dejiso muuqaal wanaagsan oo shirkadeed, warshadaha waxay ku raaxaystaan sumcad sare.
