Luzhou Hengyi purification board is sold directly by the manufacturer, with guaranteed quality, corrosion resistance, moisture-proof and thermal insulation, long service life, and construction technology. Chongqing customers who need purification boards need to call for specific prices. Services include Chongqing (Yuzhong, Dadukou, Jiangbei, Shapingba, Jiulongpo District, Nan'an, Beibei, Yubei and Bazhong)