March 1 (Reuters) - China stocks closed higher on Tuesday after data showed factory activity unexpectedly expanded in February as new orders rose, with investors anticipating further stimulus measures to be announced in a congress meeting later this week.

The blue-chip CSI300 index rose 0.8% to 4,619.69, while the Shanghai Composite Index gained 0.8% to 3,488.83.

** China's official manufacturing Purchasing Manager's Index (PMI) was at 50.2 in February, beating analysts' expectations and in line with a separate private PMI reading.

** "These encouraging signs likely reflect the effect of supportive macro policies has started to get transmitted to the economy," said Zhiwei Zhang, chief economist at Pinpoint Asset Management.

** China's services activity also grew at a faster pace in February.

** All eyes are on the annual meeting of China's top legislative body that begins on March 5, during which the government will unveil economic targets for the year and likely more stimulus measures.

** High-level talks between Kyiv and Moscow on Monday ended with no agreement except to keep talking, but Asian markets stabilised on signs of no immediate escalation of sanctions.

** Chinese Commerce Minister Wang Wentao said the country must "do everything possible" to spur consumption this year.

** Consumer staples gained 2.6%, and tourism stocks rose 2.2%.

** The China CSI Grand Agriculture Index added 1.6%, with hog breeders leading the gains, as China's state planner said the country will start buying pork for its central state reserves.

** Wens Foodstuff Group, Muyuan Foods Co and New Hope Liuhe Co went up between 5% and 10%.

** Real estate developers and coal shares ended up 1.9% and 2.7%, respectively.

** Non-ferrous metals were down 2.2%.

** The Hang Seng index rose 0.2% to 22,761.71, while the China Enterprises Index gained 0.4% to 8,053.04 points.

** Hong Kong-listed shares of Russian aluminium producer OK Rusal plunged 14.3% after it said it has been obliged to temporarily halt production at Nikolaev Alumina Refinery in Ukraine.

** The Hang Seng Tech Index added 0.7%, with Tencent Holdings up 2.3%.

** Mainland property developers closed 1.2% higher, with SUNAC China rising more than 10%. The developer is in talks with four major Chinese asset managers including Cinda on project cooperations, a person with knowledge of the matter said on Monday.

** The healthcare subindex rose 1.8%, while materials stocks ended 1.9% lower.

(Reporting by Shanghai Newsroom; Editing by Subhranshu Sahu and Vinay Dwivedi)