Shanghai Naiqin Limited
 
Room 1383, Building 10, N0.1630 Yecheng Road, Jiading,
 
Shanghai 201804, P.R.China
 
Fax: (86)21 36508775
 
E-mail: services@si3n4powder.com    si3n4powder@163.com
 
Website：www.si3n4powder.com   
 
 

 

沪 ICP 备1202837 Copyright Shanghai Superior Limited E-mail: enquiry@si3n4-powder.com    si3n4powder@163.com Fax:021-36508775