... of Twin Hook Type of Rotating Hook Single and Double Knot Netting Machine Main Technical Standards Item/ModelZRD8-520ZRD8-630ZRD9.5-520ZRD11 ... nets, nylon raschel nets, polyester raschel nets, and PE twist knotless nets.We also supply various twines (nylon and polyester ... machines, and hooks. We make both single and double knot, and twist and raschel knotless nets. We also make complete gill ...