This invention is assembled by the swing chain net stone or other material which

constitutes the anchor buried in the left channel for a distance of ground water in or on the

water channels, chained to the anchor and the retaining material into iron within chain

network is connected, and the water retaining material within the load chain to block the

water channel after the network anchors, net retaining chains and iron chains under the

action of substances blocking the water channel the water to dams.

Author: River supernatural power chain Co., Ltd
website: http://www.shenlichain.com
main product: swing chain、iron chain