(EnergyAsia, June 4 2010, Friday) — China’s Yingli Green Energy said it has signed a contract to supply 33 MW of solar modules to Spain’s Maessa Telecomunicaciones, Ingenieria, Instalaciones y Servicios SA or Maetel. Maetel, an engineering, procurement and construction (EPC) company under the industrial division of the A.C.S. Group, one of Europe’s largest infrastructure…