DOHA - An invincible China has added seven more gold medals to its bulging bag of Asian Games titles, with more in store when its world class gymnasts and badminton players spring into action.

Japan will be looking to capitalise on its strong showing in the pool, where the spoils have been spilt 9-7 in China's favour so far.

China tops the medals table with 46 gold midway through day four, from Japan's 12. South Korea has nine after adding two on Tuesday on the shooting ranges.

But it was again China's day, bagging five more gold from its sharp shooters and a gold apiece from Li Meifeng in the women's cycling time trial and Cao Lei in the women's 75kg category of the weightlifting.

Japan's best hope to close the gap is in the pool, although China topped five of the seven heats Tuesday morning.

Promising Korean schoolboy Park Tae Hwan is aiming to crash their party with his second gold of the Games. After winning the 200m freestyle, he now has his sights set on the 400m, and plans to take home four gold in total.

"I'm competing in four events and I was targetting a gold medal in three of them," he said. "But after the 200, I think four is possible."

But he will have Chinese rival Zhang Lin and Japan's Takeshi Matsuda to grapple with, both of whom were in blistering form in the relay on Monday.

Other gold in the pool comes in the men's 50m butterly, where Japan's Takashi Yamamoto is favourite, 100m backstroke and 4x100m relay.

The women race over 100m breaststroke, with China's Ji Liping angling for a second gold of the Games, 50m freestyle and 4x200m freestyle relay.

While the medals should be split in the swimming, there is little doubt that China will dominate at the Aspire indoor arena where the individual gymnastics program gets underway.

China won eight of 14 gold at the world championships in October and has brought its entire winning team here.

In action Tuesday is Xiao Qin, the pommel horse world champion, Chen Yibing, the rings world champion, and women's world vault champion Cheng Fei.

More world records are on the cards in the weightlifting where four world marks have fallen so far these Games, three to China's Chen Yanqing and one to Thailand's Pawina Thongsuk.

Cao Lei, the world champion, completely outclassed the field in the women's 75kg category to hand the Chinese weightlifting team a ninth gold medal from a possible 10 Tuesday.

She missed the world record but set a new Asian Games record, with an aggregate of 272kg, beating the old record by 2kg.

Myanmar's Mya Sanda Oo took silver with a total of 250kg and Kim Soon Hee of South Korea was third.

On the shooting ranges, South Korea and Kazakhstan took three gold to China's five. South Korea's Son Hye-Kyoung won the women's Double Trap individual medal and the the Koreans won the overall Double Trap.

Kazakhstan took the 10m Running Target title.

The badminton team finals get underway with China, who haven't dropped a game so far, taking on Japan on the women's side and the Chinese men playing South Korea.

"I think the final will be a very tough match but if we continue playing as we have been, then we will win," said Chinese coach Li Yongbo.

"We've done some really tough preparation. If we had not prepared so well so well I don't believe that we would have made it to this point."

Meanwhile, China's world number four snooker player Ding Junhai teams with Tian Pengfei to take on Hong Kong's Marco Fu and Chan Wai Fi in the doubles finals at the Al-Sadd Sports Club.

Other medals Tuesday include the equestrian individual dressage, English billards singles and the men's and women's bowling trios.