He loea ʻo Ningbo Qin Zhe Technology Co., Ltd. i ka hana ʻana i nā mea hoʻopili hydraulic like ʻole, me nā mea hoʻopili maʻamau i hoʻopaʻa ʻia, nā mea hoʻopili maʻamau ferrule-type, nā mea hoʻopili maʻamau flared-type, nā mea hoʻopili hoʻohui wikiwiki, nā flanges, nā valves hydraulic, nā mea hoʻopili hose, a me nā ʻākoakoa (maʻamau a me nā mea ʻole). Loaʻa i nā huahana valve paipu a Qin Zhe nā kikoʻī piha, nā ʻano like ʻole, ka maikaʻi hilinaʻi, a me ka lawelawe akahele. Me nā hiki loea ikaika a me nā lako hoʻāʻo piha, ua lōʻihi ka hoʻokipa maikaʻi ʻia o ka hui e nā mea kūʻai aku no kāna mau huahana kiʻekiʻe, ka lawelawe maikaʻi loa, a me ke kumukūʻai hoʻokūkū.