groke cylinders on sale 0767839116: USE OF GROKE CYLINDERS Groke cylinders are used to blast rocks in mines. Mostly used in mines. We import mining, drilling and construction products/equipment, to sell to the south africa market and relevant industries or companies at a very competitive prices. we also offer sale serivces to the relevant industries for their equipment. … [Read more...] about groke cylinders on sale 0767839116 |MyPE