Sieve Frame: Sieve frames are constructed using imported basswood, which is first steamed and dried within our in-house dedicated kiln process. The sieves are lined with a melamine resin prior to cutting, while trays are supplied with stainless steel. In addition to be a major supplier within China, our sieves are exported World wide to cover all all types including Buhler, Ocrim, GBS, Henry Simon and Robinson.Offer a variety of sizes Sieve Frame. More info enquire please ask on w ww.g-grain.com