Zhngzhou hiipeline aaladda co., Ltd.
Mid ka mid ah alaabooyinkayaga waa alloy birta a335 p91 tuubbada. Waxaan ku siinaynaa aloy bir ah a335 tuubbada P91 ee dhumucyo kala duwan oo cabirro ah si aan si guul leh u buuxino shuruudaha uu macmiilka u aqoonsaday. Waxaan ku bixinnaa aloy bir ah birta a335 tuubooyinka P91 ee leh sharaf weyn, sax ahaanta cabbirka, caliber sare iyo kharash macquul ah.
Deg-degashoy C-276 waa nickel-chromium-molybdenum oo leh caabbinta guud ee caabbinta guud ee aan la soo celin wax kale oo kale. Waxay leedahay iska caabin heer sare ah oo ah jawiga hanaanka kiimikada ee kala duwan, oo ay kujiraan aashitada tofelginic-ka ee wasakhaysan, dareeraha naxaasta ah, aashitada qalalan, xalka acetic, xalka aaladda, xalka koloriin iyo hyxochorite.