... lining of tank in golf course, slope protection, etc)4.petrochemical (chemical plants, oil refineries, oil tank of ... 0.2-3.00.2-3.00.2-4.00.2-4.02Width (m)2.5-9.02.5 ... Oxidation induced time—————————>20The Photo of PE Waterproof Sheet Rolling Machine 1. Question: Are you the manufacturer or trading ... use the international brand, like Siemens,ABB, etc.4. What about your products guarantee periods and after ...