Turkish and Chinese companies will sign on Wednesday contracts totalling $1.38 billion in an attempt to bolster economic ties between the two countries, Turkey\'s Economy Minister Zafer Caglayan said. \"Today, Chinese and Turkish firms will ink deals worth nearly $1.38 billion,\" Caglayan was quoted as saying by the Anatolia news agency during a landmark visit by China\'s leader-in-waiting Xi Jinping in Istanbul.