+86 755 2794 4155 
sales@knownpcb.com
Add: Room 306-309,Bldg D,Liantangkeng Industrial Area,Qianjin Road,Xixiang Street,Bao'an Dist.,Shenzhen City,Guangdong Province,518102,China.
Tel: +86 755 2794 4155
Fax: +86 755 2794 4159
E-mail: sales@knownpcb.com
Add: Floor 8,Chevalier House,45-51 Chatham Road South,Tsim Sha Tsui,Kowloon, Hong Kong
Tel：00852 26681868
Fax：00852 26681899
E-mail:sales@knownpcb.com
Add: Building 28,Zhong Wu Industrial Zone,Xixiang Town,Bao'an Dist.,Shenzhen City,Guangdong Province,518101,China.
Add: Shigao Industrial Zone,Tianfu new Dist.,Chengdu City,Sichuan Province,62900,China.
Add: FCF Industrial Zone,Chengbei Road,Xinfeng County,Ganzhou City,Jiangxi Province,341600,China.
Operation Center: Room 306-309,Bldg D,Liantangkeng Industrial Area,Qianjin Road,Xixiang Street,Bao'an Dist.,Shenzhen City,Guangdong Province,518102,China.
Tel: +86 755 2794 4155
Fax: +86 755 2794 4159
E-mail: sales@knownpcb.com
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