黄铜（铝合金）
不锈钢
不锈钢
NBR橡胶
ZCR-0.5-DN25,ZCR-0.5-DN32,ZCR-0.5-DN50,ZCR-0.5-DN65,ZCR-0.5-DN80,ZCR-0.5-DN100,
ZCR-0.5-DN125,ZCR-0.5-DN150,ZCR-0.5-DN200,ZCR-0.5-DN250,ZCR-0.5-DN300,ZCR-0.5-DN350,
ZCR-6-DN15,ZCR-6-DN20,ZCR-6-DN40,ZCR-6-DN65,ZCR-6-DN80,ZCR-6-DN100,