大庆Straight through ferrule type

大庆Straight through reducing ferrule type

大庆Straight through external thread ferrule type

大庆Straight through internal thread ferrule type

大庆Straight through plate piercing ferrule type

大庆Straight through plate internal thread rotary ferrule

大庆Right angle ferrule type

大庆Right angle external thread ferrule type

大庆Tee ferrule type

大庆Tee main pipe reducing ferrule type

大庆Tee main pipe external thread ferrule type

大庆Tee main pipe internal thread ferrule type