Shared quota for 4 products / 2 HS6: 251020; 251010 with a total amount of 1,500,000 tonnes;  For manufacturing companies, they must be registered companies with an average annual export amount of 20,000 tonnes from 2006 to 2008; possess security license for phosphorous mine; fulfil national requirement on environment; social security and insurance provision; engage in long-term contract of export and supply for 2008-2010 (over one year of contract term) etc.                                  for trading companies, the average annual export amount must be over 10,000 tonnes etc.