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Cross-border retailers are responsible for the safety of the imported formula products and they should set up a safety and quality risk prevention system and tracking methods, the notice said.

Crude steel output saw a year-on-year growth of 5.5 percent to stand at 874 million tonnes in the January-October period, according to the China Iron and Steel Association (CISA).

Cross-border e-commerce is the most dynamic business model and an important stabilizer in international trade, said Yang Li, head of the logistics and port affairs office of the Changsha government.

Currently, heavy-lift helicopters in use include the United States' Boeing CH-47 Chinook, the Sikorsky CH-53E Super Stallion and Russia's Mil Mi-26 series. The US and Russia continue to upgrade these types and aspire to maintain their dominance of the heavy-lift helicopter market, observers said.

Currently, the county has established a national-level demonstration zone for vegetable cultivation, and is building an industrial garden of fruits and vegetables covering about 667 hectares.