||Nanjing DeFa riverstones Factory's River stones, garden stones, pebbles, and quartz sands are pollution-free,
environment-friendly and impurity-free, and are tested to comply with related
national standards. Nanjing Liuhe Dajin RiverStones & filter factory.'s
products are widely applied in the fields of water purification, sewage
treatment, landscaping, ceramics, precision casting, papermaking, grinding,
chemical, monocrystalline silicon and etc.
Our products are well liked by
customers. Our products have been exported to more than 20 countries.
Detail for Nanjing DeFa riverstones Factory……