1.With quick thermal response, High mechanical strength 2.Wide measuring range,high pressure resistant 3.Firm and durable ... such as: easy assembly and convenient for replacement, high mechanical strenghth, good pressure-resistant, good shock-proof permance ... GH3030,GH3039,310S(High temperature alloy stainless steel pipe)F Corrosion-resisitance atainless steel pipeT1 High alumina(admantine spar)) ...