KUALA LUMPUR, Feb 28 (Reuters) - Malaysian companies and their Saudi Arabian counterparts signed on Tuesday preliminary agreements for seven deals worth more than $2 billion, as the oil-rich gulf nation seeks to build ties and investment opportunities in Asia.

The deals, valued at 9.74 billion ringgit ($2.19 billion), will cover joint ventures and cooperation in several sectors including oil and gas, Islamic finance, shariah compliant products, the halal industy and manufacturing, Malaysia's Trade Minister Mustapa Mohamed said at a press conference.

Saudi state oil company Aramco is also expected to sign a deal with Malaysia's Petroliam Nasional Bhd (Petronas) on Tuesday afternoon to invest $7 billion in an oil refinery and petrochemical project in Malaysia's southern state of Johor. urn:newsml:reuters.com:*:nL3N1GC3LB ($1 = 4.4430 ringgit)

(Reporting by Rozanna Latiff and Liz Lee; Editing by Muralikumar Anantharaman) ((Joseph.Sipalan@thomsonreuters.com; +60323338019; Reuters Messaging: joseph.sipalan.thomsonreuters.com@reuters.net))