Products range： Forged Steel Valve-API602 800Lb,1500Lb Gate Valve 800Lb,1500Lb Globe Valve 800Lb,1500Lb Check Valve Main Part Material and P-T Rating Casting Steel Valve-API600 150Lb,300Lb,600Lb Gate Valve Main Part Material of Gate Valve 150Lb,300Lb,600Lb Globe Valve Main Part Material Globe Valve 150Lb,300Lb,600Lb Check Valve Main Part Material of Check Valve Ball Valve-API6D 150Lb,300Lb Ball Valve Main Part Material of Ball Valve Casting Steel Valve-Chinese Standards PN1.6,PN2.5,PN4.0PN6.4MPa Gate Valve PN1.6,PN2.5,PN4.0PN6.4MPa Globe Valve PN1.6,PN2.5,PN4.0PN6.4MPa Check Valve PN1.6,PN2.5,PN4.0MPa Ball Valve