WD+ Energy, as one of the earliest energy factories who gets the certificates of CE, SGS,ISO9001, primarily put a focus on the manufacturing of the mobile diesel generator sets. WD+ Energy posesses a large processing mill, so the one thing is sure that the price we quote is attractive and is rather cheaper compared to other factories. Beyond that, the pre-sale and after-sale value-add... https://www.hiwedoplus.com