... production process is controlled strictly. 1. Materials: gravity casting high pure 62% brass body, zinc-alloy handle, chrome finsih2 Finish ... times for both open and close9.Quality Certification :CE, ISO900110.Comes with 5 year quality warranty ,we promise to replace any ... of O Ring Washer,1 piece of horseshoe washer .14.High-class workmanship, machined-precisely, each production process is controlled ...