The Leaching of qty of lead and cadmium is the important ceramic products for daily health and safety indications. Europe and the United States and other developed countries  set a strict limit requirement of ceramics for daily use of lead and cadmium.
The product exported to European meet the requirement as below Pb,Cd(Leachable)
84/500/EEC,2005/31/EC
84/500/EEC&2005/31/EC& Regulation (EC) No 1935/2004 
Category #1Pb 0.8mg/dm2 Cd  0.07 mg/dm2
Category #2   Pb 4.0µg/mL   Cd  0.3µg/mL                      Category #3   Pb 1.5µg/mL   Cd  0.1µg/mL
And for exported to US, meet the standards as below:
ASTM C738 (interior)  
FDA CPG sec 545. 450 and 400(CPG7117.07&7117.06)(US) 
Flatware Pb  3.0µg/mL  Cd  0.5 µg/mL               
L-Hollowware Pb  1.0µg/mL  Cd  0.25 µg/mL
S-hollowware Pb  2.0µg/mL  Cd  0.5 µg/mL                   Cup & Mugs Pb  0.5µg/mL  Cd  0.5 µg/mL               Pitchers Pb  0.5µg/mL  Cd  0.25 µg/mL

To ensure the products healthy ,the company strictly follow the EU ,US indications to produce and control every pcs of porcelain, in every lot of shipment , the goods will be checked by third party Lab and the healthy certificate are issued together with the accordingly shipment .