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Verified Supplier - Ventech Ventilation Co., Ltd Bussiness Type: Manufacturer,Trading Company Scale: 301 - 500 People Country/Region: China (Mainland)/Asia Established: 2006 hot selling ventilaiton ...
Before polishing, the disc valve air diffuser should be washed for 10mins then baked for 30mins. Power coated is arranged behind the polishing step, by using totally-closed powder finishing line and ...
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