主营：陶瓷球阀Q341TC; 陶瓷双闸板阀Z644; 摆动阀BZ643TC; 陶瓷刀闸阀PZ73T; 陶瓷蝶阀D343TC; 耐磨陶瓷止回阀H44; 陶瓷截止阀J41TC; YDF-B圆顶阀; 薄型陶瓷排渣液浆阀P;