Environmentally friendly materials are non-toxic and harmless. The company has 48 plug tray production lines, which can quickly organize production and delivery. It currently has 32-hole square, 50-hole square, 50-hole round, 72-hole square, 100-hole round, 105-hole square, and 128-hole square seedling plug tray molds. The conventional single-sheet weight is 60 grams, 70 grams, 80 grams, and 100 grams. The single-sheet weight can also be customized. The colors are black, sky blue, and grass green.