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3KM Optoelectronics Technology Co., Ltd.(Office Building) 


If you need to purchase an infrared laser lighting module, or have any questions, please email us and we will reply within 12 hours.

E-MAIL:sales@sz3km.com 

Skype:live:.cid.e05454d4fa41a061

Mobile: +86-131 3817 4428

3KM WECHAT: 13138174428

3KM WECHAT

TEL:+86-755-6686 4401 

WEB:http://www.sz3km.cn/ 

ADD:12F,Building 1,Heng Changrong Hi-tech Park, No.128 shangnandong Road,Shajing Street,Baoan District,Shenzhen.P.R.C 518125