workmanship of oriental silk carpet

This picture shows the workmanship of 260 lines oriental hand-made silk rug z202312. The knots are very clear and dense. There are 22 lines of knots per inch and there are 470real tied double knots per square inch.The knots on the back are very clear and dense. For this quality hand-knotted silk rug, each person can make around 2.25 square feet per month.