Long-stemmed nozzle supplier material stainless steel 304,304L,316,316L ... Trading Co., Ltd. Screen Sieve Factory is a mainly Long-stemmed nozzle supplierwe have three branch company in BEIJING, GUANGZHOU ... mining, food industry, chemical industry Surface treatment polishing ,chromingcharacteristicte High filtering accuracy , High strengh and durabilityCertificate ISO9001:2000More product We can also ...