Shandong Yier Valve Co, Ltd ni kampuni ya mkoa high-tech maalumu katika kujidhibiti valve utafiti kubuni na viwanda, kampuni iko katika Zhangjiang eneo la Zhangyuan Mashariki Road, Zibo, mkoa wa Shandong, msingi wa uzalishaji katika Shanghai. Bidhaa kuu: Pneumatic mpira valve, Pneumatic mlipuko mpira valve, Pneumatic V aina kudhibiti mpira valve, Pneumatic butterfly valve, Pneumatic kudhibiti butterfly valve, Pneumatic kubadili valve, umeme kubadili mpira valve, Pneumatic kukata valve, umeme mpira valve, mlipuko umeme mpira valve, umeme V aina mpira valve, umeme butterfly valve, umeme kudhibiti butterfly valve, umeme kudhibiti valve, umeme kiti kimoja kudhibiti valve, umeme sleeve kudhibiti valve, umeme corrugated tube kudhibiti valve, Pneumatic kudhibiti valve, pneumatic kiti kimoja kudhibiti valve, pneumatic sleeve kudhibiti valve, umeme kudhibiti valve, umeme kukata valve, solenoid valve, pembe kiti valve nk, bidhaa zinatumika sana kwa ajili ya kuchimba mafuta ghafi, usafirishaji wa gesi asili, umeme wa moto, bidhaa za dawa za kibiolojia, mafuta ya kusafisha, kemikali, chuma, karatasi, mgawanyiko wa hewa, bidhaa ya chakula, joto la mijini, matibabu ya maji machafu, kusaidia mazingira ya mashine Kampuni ya huduma kwa wateja: thamani mkataba, kuhakikisha ubora, utoaji kwa wakati, adhabu kali, kuruhusu wateja kufanya bidhaa ya darasa la kwanza na huduma ya darasa la kwanza, kujisikia wetu kitaalamu, makini, uvumilivu, kukaribisha wateja mpya na wa zamani kutembelea, kuongoza, kujadili biashara, nk.