Hengxin bag-in-box is a double-layer or three-layer structure， it's made of aluminized composite film or nylon composite film as the outer layer, low-density polyethylene film as the inner layer, connected with a special valve, and sealed by heat pressure, the packaging volume 1~220L.

The bag-in-box with special carton get a new liquid packaging way, with foldable, lightweight, easy to transport and storage characteristics, savings a lot of transport and packaging costs, can be used as transit storage and final packaging, is a new packaging to replace the bottle and barrel.

Bag-in-box classified by material: nylon film bag-in-box, aluminized film bag-in-box.

Bag-in-box classified by application field: general bag, food bag, aseptic bag.

Common packaging bag applications: suitable for non-hazardous chemical transport, such as liquid urea, lubricating oil, liquid fertilizer, etc.

Food packaging bag applications: suitable for filling and storage of liquid cargo in a non-sterile environment, such as red wine, mixed syrup, water, fresh milk, etc.

Aseptic packaging bag applications: suitable for filling and storing liquid products in an aseptic environment, such as ketchup, juice concentrate, dairy products, etc.