vorkers_detail.rb

require 'open-uri'
require 'nokogiri'

url = 'http://www.vorkers.com/company.php?m_id=a0910000000Fr7P'

charset = nil
html = open(url) do |f|
  charset = f.charset
  f.read
end

doc = Nokogiri::HTML.parse(html, nil, charset)

doc.xpath('//ul/li[@class="r1"]').each do |node|
  p node.text
end

doc.xpath('//ul/li[@class="r2"]').each do |node|
  p node.text
end

doc.xpath('//ul/li[@class="r1_2"]/span[@class="suchiup"]').each do |node|
  p node.text
end