@Liaocheng_Shenhui_La @Liaocheng_Hengchunyu
I sent you an Email on 25/6/2016 with address shenhuilaser @ 163com. (copy Peter Van Der WALT)
Unfortunately I did not received any answer from you, I would really appreciated, if you could contact me as community manager.
Best regards,
Stephane BUISSON
http://www.shenhuilaser.com/?p=45