Sichuan Elune Glass Tube Co., Ltd. is a self-publishing company. Good price, professional service, fast delivery! A 100 for product quality guarantee leads to a growing market. Give us the opportunity to work together to reach a larger product market. our products: Gauge Glass Tubes, Borosilicate Glass Rods, Sight Glass In Boiler, Gauge Glasses, Boiler Water Level Gauge Glass, Water Level Sight Gauge, Lumiglas Circular Sight Glass, Tubular Sight Glass Level Gauge, Pressure Resistant Glass, Reflex Glass Level Gauge