<p>Order books for the biggest iron ore producers in Australia and Bracalcium carbonate crushing machineryzil remain full and the companies say they aren't experiencing delays to shipments, but this could change if the current slump in steel prices continues amid lingering global growth concerns. </p>
<p>If conditions don't improve, Chinese steelmakers could slow imports as inventory is already high at ports and steel mills, says Zhang Changfu, vice-chairman of China Iron and Steel Association, a quasi-government body representing steel mills. "I haven't heard of any delay in shipments," Zhang says. "But I think we could delay purchases due to the uncertainty in the market and high inventory," Zhang says. He notes that current inventory in the country is enough to support production for about 35 days. On the sidelines of a steel conference in Qingdao, Brazilian miner Vale's executive director for marketing, Jose Carlos Martins, says the miner is aware of...</p>