Hangzhou ALS Dental Appliance Co., Ltd. located in the beautiful city-Hangzhou, Zhejiang, China, is one of the professional manufacturer. We are always striving to supply our customers with Chinese dental orthodontic equipments of high quality, low cost & best services on long term basis. Our main products are edgewise brackets, roth bracket, ceramic bracket, molar plain band, assembled band, buccal tubes, Nini Archwires & springs, ligature tie, c-chain, curing light and other dental orthodontic accessories.