China’s independent refiners are accelerating purchases of Russia’s Far Eastern ESPO crude blend as Chinese refiners were issued new import quotas and the discount of Russian crude swelled to a record high, traders told Reuters on Tuesday. After missing out the crude purchasing windows for most of the fourth quarter, amid a lack of quotas allowing imports, the Chinese refiners, especially the so-called ‘teapots’ of the Shandong province, are back on the market hunting for bargain trades. The discount of the Russian ESPO…