[Amps] Fw: setting the grid adrift

[Hsu]

Hi, 
Some  Chinese tube factory's web site:www.sanle.com.cn,all 3-500 are made by them,they mke  833A too.
  www.hg777.com, thet producted the best  833A  in China and many metail-cermic  tube morthan 400kw, http://www.jingguang.com.cn/About.asp they  producted many HF and microwave cermic tube , now, many EIMAC's tube are OEM   buy them. www.tube.c om.cn ,they  producted 811A and 572B.these factory are all very large .thety made tube for morethan 40-60 years.
  73!Hsu