• Headquarters address：Chongqing Changshou District
• zip：401221

Administration Department：

• Tel：+86-23-6302 6003
• Email: export@chinassp.net

Purchasing Department：

• Tel：+86-21-6147 8635
• Email：domesticsales@chinassp.net

Technical Department：

• Tel：+86-23-6898 1161
• Email：marketing@chinassp.net