Three firms vie for BP's China petrochemicals plant - sources

By Arno Schuetze and Ron Bousso FRANKFURT/LONDON (Reuters) - At least three leading chemical companies are set to vie for BP's stake in Chinese petrochemicals joint venture SECCO which could fetch more than $2 billion (1.51 billion pounds), sources close to the process said. Offers for the 50 percent stake, the British oil and gas company's largest investment in China, will be submitted in the coming days, the sources said. BP's partner in the joint venture, state-owned China Petroleum & Che