Specifications
Pork bone dryerPork bone process mechine
high technology
new way to extract animal oil
low cost, high profite
worthless pork bone become a ready souce of money!
after long time test we find a good way for extract oil from pork bone--- the microwave extract way, this is a need discovery. Use the microwave equipment to extract oil from bone, can extract more oil than normall way of extract oil. 
this is a magical equipment at extracting oil! more information please connect me , my skype :vera 20116289. mob:86 15269133658