Shangjun plastic products Co., Ltd. is a professional manufacturer of packing bag,such as oyster mushroom grow bags.How was the Side gusset bag produced? After the film rolls are produced from the machine, they are actually barrel shaped, We then roll the film through the machine and fold it out of the gusset. The same side gusset bag is produced by the film roll of different materials, and the role is very different, Our most famous side gusset bag is the PP mushroom Grow Bag.Now many buyers from European and American countries and some other countries will buy PP mushroom grow bags with filter patch from our factory to grow mushrooms.
PP mushroom grow bags with injection port just like you saw on the original title which have extra injection port. Shangjun plastic products Co., Ltd. is a professional manufacturer of packing bag,We not only strive to produce high quality bags, but also pay attention to the upgrading of bag functions.
PP mushroom spawn bags and PP mushroom grow bags with filter patch are both gusset bag,The difference is that one has a filter patch and one does not.Mushroom growers in China mostly use bags without filter patches,The bag they use also belongs to gusset bag, but PE material cannot withstand high temperature and high pressure,And the bags are not as hot sealed as ours.
Kraft Flat Bottom Zipper Bag With Window It is one of the bags with Windows made by Shangjun plastic products Co., Ltd. It's a bag with a clear window,We not only produce bags with Windows, as a manufacturer and supplier in China Our other packaging bags and plastic products are also popular with customers.
Bags made by Shangjun plastic products Co., Ltd. called Aluminum plating Flat Bottom Zipper Bag With Window It's a bag with a clear window,We not only produce bags with Windows, as a manufacturer and supplier in China Our other packaging bags and plastic products are also popular with customers.
Plastic Flat Bottom Zipper Bag Clear/Frosted produced by Shangjun plastic products Co., Ltd. It’s a fashion pouch type for snacks or nuts packaging. Plastic Flat Bottom Zipper Bag Clear/Frosted also named Square Bottom Bag or Block Bottom Bag.
