J65H、J65Y、J65W-16P、J65W-25P、J65W-40P、J65W-63P、J65W-64P、J65W-100P、J65W-160P、J65W-200P、J65W-250P、J65W-320P、J65W-350P、J65W-400P、J65W-420P、J65W-450P、J65W-500P、J65W-630P/I/V/C/R/RL不锈钢焊合截止阀、好意思标磅级焊合截止阀，好意思标承插焊磅级手动截止阀、A105锻钢对焊截止阀、好意思标Y型焊合自密封截止阀、压力自密致封直流式对焊