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Company executives and officials from 36 countries and regions are scheduled to attend this year's trade fair, with 2,868 booths in an area of 60,000 square meters, including 468 booths set to draw international talents for coordinated development of Beijing-Tianjin-Hebei regions.

Colorants are produced from rare earths and sulfides under mild conditions, without using hydrogen sulfides and other toxic materials.

Compared with its major competitor Mastercard, Visa Inc made a different choice regarding its push into China. Alfred F. Kelly Jr, chairman and chief executive officer of Visa, said last year the leading global payments technology company has applied for a bank card clearing license in China as a wholly owned foreign enterprise.

Commercial Aircraft Corp of China Ltd, the manufacturer of the C919, signed an agreement with Huarong Leasing in Beijing. So far, the C919 has netted orders from 28 Chinese and overseas customers.

Comparing e-commerce platforms to gatekeepers, he added they should take the initiative to say "no" to unsafe food.