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China has launched a national campaign targeting nuisance calls, according to a directive published on Monday.

China has been upgrading its dairy industry with improved supply-chain management and safety supervision, as the country's growing consumer power calls for high-quality and more diverse dairy products.

China exports mainly raw materials, computers, telecommunications equipment, trucks, plastic and rubber products, textiles, garments and household appliances to Spain. Spain's shipments to China include agricultural products, chemical goods, water treatment and medical equipment, minerals, mechanical equipment, transport materials, fossil fuels and tobacco.

China has made vigorous efforts to advocate and practice the concept of ecological conservation. We believe that clear water and green mountains worth more than mountains of gold and silver, and a sound ecosystem is in the interests of everyone. And we have championed international cooperation on ecological conservation in the world.

China feels a great sense of duty, and considers not only its own growth but the sustained development of the world economy, Li said, adding that the country hopes the recent positive momentum of the world economy will be championed.