On December 8, the Intellectual Property Department director of Huabei Petroleum Administrative Bureau visited ZBSD’s office and took discussion in the field of petroleum with ZBSD’s attorneys and experts attended the discussion including represent of China Inventor Association and senior examiner of SIPO. PetroHuabei is one branch of PetroChina Company Limited (PetroChina). PetroHuabei focus on oil and gas gathering and transfer.

  
ZBSD   12-8-2004