Hotel aggregator OYO has raised a $10 million strategic investment from China Lodging Group , one of the largest hotel groups in China.This investment comes a week after OYO raised $250 million led by existing backer SoftBank and new investor Hero Enterprise.As per the deal, OYO will combine its technology strengths and operational expertise with China Lodging Group's extensive coverage and strong development capability in China, the company said in a statement.Both the companies will also explore knowledge and technology sharing projects to enable a co-learning opportunity in the fields of technology and hospitality among other things, the company said.OYO claims to currently operate 8,500 hotels and 70,000 rooms in more than 230 cities across the country. It competes with the likes of Nasdaq-listed online travel operators MakeMyTrip and Yatra, as well as Treebo Hotels and Fab Hotels, who have all raised significant amounts of risk capital this year."We are very excited about this partnership both in terms of potential opportunities and existing synergies through our complementary strengths and capabilities" said OYO founder & CEO Ritesh Agarwal."The MoU signifies the shared aspirations of China Lodging Group and OYO to explore growing opportunities in the global hospitality industry and to create synergies by working together", said China Lodging Group CEO Jenny Zhang.