Oil drilling rigs, drilling rigs ,drilling accessories ,
Dayang as a importing & exporting trading division of hengxin group which is the leading manufacture & trade organization at dongying, where the second largest oilfield of china-shengli oilfield lies. we deal with drilling rigs & drilling parts & explosion proof equipments supplying, oil equipments maintenance service and are maintaining good relationship with sinopec, cnpc, cnooc, bomco, rg, sj, highland, etc. for last 20 years. we also can supply their products in shortest delivery time.