Expand the field of engineering and manufacturing

In order to defuse the risk of reliance on a single customer , Wison Engineering since 2012 began to expand the field of coal chemical engineering and manufacturing , the first half of the year , on the oil business amounted to only 120 million yuan , accounting for only 14% of the current total sales .
Contracting tricky , however, still  oil equipment  Huabang Song departments cooperate with the investigation , so " do not rule out is the majority shareholder with PetroChina Woan person concerned reached under the table deal, thus bypassing the  oil expeller  supervision of listed companies ," there petrochemical Insiders speculate .