An official displays a tiger skin seized in a smuggling case. Gongbei Customs in Guangdong and Nanning Customs in Guangxi have jointly busted seven endangered animal smuggling rings. The rings trafficked animals and animal products such as ivory, tiger skins, rhino horns, lion bones and bear paws, according to customs. A total of 40 people have been detained in the case, which involves more than 308 pieces of smuggled items worth over 80 million yuan (US$11.24 million). A total of 22 people were put under criminal compulsory measures, 10 of whom are from Vietnam. The investigation originated from an ivory smuggling case found early this year, Gongbei Customs in Zhuhai City announced yesterday. China News Service