Shared quota for 3 HS6: 710610; 710691; 710692 with a total amount of 5,095 tonnes.  Companies registering for the license had to be a registered company for more than 2 years; fulfil the ISO9000 and ISO14000 requirement; commit the requirement related to social security and insurance; achieve according to the audited sum of domestic sale and export amount in 2007 an annual amount of production of more than 40 tonnes (for Western China) and 80 tonnes for other regions; follow the environmental standard of production; etc.                For trading companies, with more than 5 years of business registration; trade silver products during 2005-07; export value of over 0.1 billion USD (for Western China) and 0.2 billion USD for other regions; according to the statistics of the Administration of Customs; fulfil ISO9000 and social security requirementl etc..