Beijing has "guaranteed" the safety of its products, especially food, saying it has closed 180 factories in the past six months over poor standards.
But many countries have banned, recalled or raised concerns over Chinese imports.
Fish shrimp and eel found to have traces of antibiotics and antifungals
Pet food said to be tainted with melamine, a chemical used in plastics and fertilisers
Filthy frozen crab meat, roasted eel laced with unsafe additives and tilapia tainted by salmonella
Toothpaste made with diethylene glycol, a toxic ingredient in antifreeze; antibiotic or pesticide residues in food products
Excessive antibiotic or pesticide residues in shrimp, honey and other products
Turbot found to contain traces of malachite green - potential cancer-causing chemical used to treat fungal infections
Babies die after being fed fake baby formula, cancer-causing dyes injected into eggs to make yolks redder, and children given saltwater passed off as vaccines