The process adopts the form of middle seam, the seam bottom is regular and firm, the crushing rate is low, and it can carry fertilizer, mineral products, plastic particles, cement and so on.
The woven bag part is durable, wear-resistant, inexpensive, thick; The inner bag has high strength and good barrier property. The whole bag has good air tightness and hydraulic performance, and high load-bearing capacity.
M-shaped hem, strong three-dimensional sense, convenient loading.