Guangzhou Qiangdi Purification Technology Co., Ltd. ืืืฆืจืื ืขืืงืจืืืืืจืื ืืืืื ืืื/ืืขืจืืช ืืืืื ืจืืืื, ืืจืื ืชืจืกืืก ืฆืืข ืืืฉ/ืชื ืฆืืืจ ืืืฉ, ืืืจ ืฆืืืจ ืจืืืืื/ืืืื ืกืคืจืื ืจืืืืื, ืืจืื ืืกืคืงืช ืืืืืจ ื ืงื ืืจืื/ืืืืืช ืืืคืื ืืืืืจ ื ืงืืื (cahu), ืชื ืืจ ืชืขืฉืืืชื/ืืคืืื