help you extend L/F visa or alterate visa in China

Hi, I am Dara, a Chinese and working in THATISCHINA, foreigner visa Consultant Company in Beijing. we can do a wide range of visa services here:
  foreigner Z, F invitation letter,
  foreigner L, F, Z visa extension ,
  changing L or F visa to Z working visa,
  changing L to F visa, foreigner residence permit, working card,
  foreigner employment license, employment permit,
  foreign driving license, English translation and so on. 
Well, if any help you need, I would like to help you and just contact me at 15001092565 or email: yuanfei621@hotmail.com