Sanshi Taijie, kasar Sin kayan gwajin inji sana'a masana'antu, shi baya ya koma Gansu Tianshui, shi ne daya daga cikin gida na farko masu zaman kansu gwajin inji kamfanoni. A cikin shekaru da yawa, SanSteter samar da high-kudi-tasiri kayayyakin ga da yawa masana'antu yankuna na gida, da suka shafi daban-daban karfe, non-karfe, hadaddun kayan da sauran yankuna, zama mafi kyawun abokin tarayya na kasar Sin mai amfani da kayan gwaji! Ana amfani da kayayyakin SanSteter sosai a cikin yanayin muhalli daban-daban, gwajin kayan aiki da kayan aiki daban-daban, suna ba da sabis ga dubban masu amfani a cikin gida da ƙasashen waje. Kamfanin ya koma Zhuhai a cikin shekarun 1990, a cikin 2010 kamfanin ya aiwatar da sake tsarawa kuma ya fara sabon aiki. SanStete ke da hedkwatar a Zhuhai Yankin Tattalin Arziki na Musamman, tare da ƙwarewar samarwa da kayan aikin gwajin ma'auni. Kamfanin ya yi amfani da ci gaba management model, samun ISO9001 ingancin tsarin takardar shaida da CE takardar shaida; Bisa ga buƙatun ma'auni na samar da ma'auni na ƙasa, an kafa cikakken tsarin tabbatar da ma'auni, kowane injin gwaji dole ne ya wuce gwajin inganci kafin ya fita daga masana'antar don tabbatar da samar da amincewa da gamsuwa ga abokan ciniki. SanSteter yana fara kasuwanci na biyu. Kamfanin ya bi ruhun sana'a, da kwarewar mai amfani a matsayin zuciya, da burin gina ƙwarewa, ci gaba da inganta kayayyakin ta hanyar ci gaba da kirkire-kirkire da zurfin haɗin gwiwa tare da masu amfani, don haka gina amincewar masu amfani da alama na dogon lokaci. Ma'anarmu ta nasarar alama na iya zama daban-daban, kuma manufar da muke bin ita ce yawan sayen biyu, watau mafi ƙarancin asarar masu amfani.