Ivalela le-needle yendlela engu-angle, ubukhulu obuyi-1/2, isiphelo esingamabhinqa ukuya esindoda i-NPT, esebenza kwilawulo loxinizelelo oluzi-6000psi, inomhlakathi onzima wensimbi, evela eTshayina. Iinkampani ezenza ezi valele ze-needle ze-angle, ezingama-1/2, ezinamajelo angamabhinqa ukuya kumadoda i-NPT, enokunyamezela uxinizelelo oluzi-6000psi, nomhlakathi onzima wensimbi, kunye nabavelisi bazo, ababoneleli, kunye nefektri zazo – i-NAI LOK CO.,LTD, ekwiNombolo 397,Indlela yaseDhamuqiao, eSitalatweni saseShaxi, eDolophini iTaicang, ePhondo laseJiangsu, eTshayina 215421.