The Chinese National Standard (GB18455-2001) stipulates that plastic packaging products or plastic containers with a volume/volume exceeding 100 ml must be visually marked with plastic recycling labels:

PET polyethylene terephthalate, also often called polyester, is commonly found in PET bottles.

HDPE high-density polyethylene is commonly found in lotion containers, milk bottles, and supermarket plastic bags.

PVC Polyvinyl chloride is commonly found in pipes, outdoor furniture, and raincoats.

LDPE low-density polyethylene is commonly found in the tube packaging of toothpaste or facial cleanser.

PP Polypropylene is commonly found in bottle caps, straws, and microwave food boxes.

PS polystyrene is classified as unfoamed or foamed. Unfoamed styrofoam is commonly found in some beverage containers (such as Yakult); foamed foam is commonly known as styrofoam and is commonly used in packaging rubber pellets, disposable plastic cups, packaging frozen meat containers, and lunch boxes.

Other recyclable plastic products include polymethyl methacrylate (PMMA), polycarbonate (PC), polylactic acid (PLA), nylon (Nylon) and glass fiber reinforced plastic (FRP), biaxially oriented polylactic acid film (BOPLA), etc.