The three tunnels of the test site were blown up by 16:00 local time (0700 GMT), according to Xinhua reporters on site.
The total capacity of the first and second Sino-Russian crude oil transmission pipelines will reach 30 million tons annually.
The tie-up is part of its larger efforts to expand into the booming sectors of artificial intelligence and the internet of things (IoT).
The third season of online comedy show Roast concluded earlier this month, notching up 2.33 billion hits on Tencent's video streaming platform, according to box office tracker Maoyan.
The trade surplus between China and the US is a "complementary" surplus, from the perspective of the global value chain, said Gao Feng, spokesman of the Ministry of Commerce.
The trade mission to China is the latest overseas visit organized by the Mayor's International Business program, which helps the capital's high-growth firms to break into new international markets or grow their existing operations overseas.
中山专业精神病医院
The total R&D investment exceeded 270 billion yuan ( billion) in 2019, accounting for 2.72 percent of the province's GDP. More than 80 percent of the total was made by enterprises.
The then-56-year-old fell unconscious on the train, "but the rush hour crowd did not pay any attention to him, let alone help him", according to his lawyer, Liu Yongfei.
The testing will be conducted at two clinics, one of which is a drive-through facility, and everyone who is tested will be required to self-isolate until they receive a negative result.
The top shopping categories were fashion (bought by 22 percent of online shoppers), beauty and cosmetics (20 percent) and mom and baby (15 percent).