Thermocouple protection tube: 1,High-density, low-expansion 2,High purity and Good quality 3,We are Manufacturer Enterprise qualification Advanced equipment More 10 engineers Leading company in same field ISO 9001:2000 High productivity Thermocouple protection tube Model TS1003: 1,High-density, low-expansion 2,Waterproof and airtight, 3, Folding proof, 4,Corrosion resisting and abrasion resisting. ...