求翻译：延迟回复，非常抱歉。由于中国已进入夏季用电高峰，政府部门采取限电措施，我们工厂也受到很大影响，所以我们的生产安排非常困难，现经研究决定贵司的order for 1200pcs of HY10W-24，出货期安排在AUG. 15， 2011.单价为CIF USD19.50/PC . 支付条件：在签订合同前收到全部的货款是什么意思？

Delayed response, so sorry. Because China has entered the summer peak, government departments adopt rationing measures, our factory has also been a strong influence, so our production arrangements very difficult, through researching your order now for 1200pcs of HY10W-24, shipment scheduled for AUG. 15,2011. price for CIF USD19.50/PC. Payment terms: signed a contract before receiving all of the loans