I-NingBo ZhengXin(ZX) umkhumbi wengcindezi Co.,Ltd. ingumkhiqizi ohamba phambili wamasilinda egesi anengcindezi ephezulu kanye namavalvu atholakala ku-No.1 JinHu East Road, eDolobheni lase-HuangJiaBu, e-YuYao City, e-China, enehhovisi labo lezokuthengisa e-Shanghai, e-China. Amasilinda athembekile angaphezu kwezigidi ezingama-20 enziwa yi-ZX futhi asebenza emhlabeni wonke. Sinikela ngokwethu ocwaningweni nasekuthuthukisweni kwamasilinda nama-valve kusukela ngo-2000, sihlose ukuhlinzeka ngemikhiqizo yekhwalithi enhle kakhulu yesiphuzo, i-scuba, yezokwelapha, ukuphepha komlilo kanye nezimboni ezikhethekile.