How do the model and load weight of the FFS multi-layer co-extruded heavy-duty bag correspond?

The weight of the A model bag is less than 20 kg.
The B model bag has a weight of 21*30 kg.
The C model bag has a weight of 31-50 kg.
Our company Anhui Tianda Environmental Protection New Materials Co., Ltd. (formerly Anhui Tianda Plastic Composite Products Co., Ltd.) has 6 imported blow molding production lines with an annual output of 15,000 tons of three-layer co-extruded LDPE film. The main customers are Lianhe and Inner Mongolia. Junzheng, China Coal, Sinochem, Total, Wacker, Zhongyan, Sinopec, Wanhua, Yangzijiang Petrochemical, Taiwan Rubber, DSM, Costron, Teijin, etc. Please contact me for details.
Contact Shen Lean, telephone (WeChat with the same number): 139 5628 6204, QQ: 72879 6526, email sla0901@td-sf.com.