Amid expectations of a thaw in ties as Prime Minister Narendra Modi heads to China for his first visit there in seven years, people with knowledge of the matter pointed out that Beijing hasn't been in a hurry to clear partnership deals between companies in the two countries, especially when it comes to transferring critical technology.Chinese appliance maker Haier's bid to sell a stake of 48-50% in its wholly-owned Indian operations has been delayed by over two months as the government there is vetting deal terms and conditions, including technology transfer, a person aware of the details said. Bharti Group chairman Sunil Mittal has signed an exclusivity agreement with Haier to acquire the stake and most formalities have been completed, the person said.Another technology transfer deal awai