国产热热热精品,亚洲视频久久】日韩,三级婷婷在线久久,99人妻精品视频,精品九热人人肉肉在线,AV东京热一区二区,91po在线视频观看,久久激情宗合,青青草黄色手机视频

Diamond trade through the Shanghai Diamond Exchange soared by 119.5 percent to reach US$443 million in the first half of this year, the Shanghai diamond trading authorities said on Friday.

Diamond imported or exported under general trade totaled US$419 million, up 115.7 percent year on year.

Diamonds traded as bonded goods shot up by 215.9 percent to reach US$24.54 million.

In April, diamond import and export in general trade on the exchange hit a monthly new high of US$92.73 million.

The Shanghai Diamond Exchange is the only legal channel for general trade of diamond on the Chinese mainland.