Many global customers have built up cooperation relationship with us to meet their high needs for domed quartz tube flange 50mm,Round Quartz,vertical tube flange*. We feel honored to offer 140mm glass flange to many different markets for a variety of applications.You should send us your specifications and requirements, or feel free to chat with us if you have any questions or concerns. The product will supply to all over the world, such as Czech Republic ,Antarctica ,Trinidad and Tobago ,Turkmenistan ,Uruguay . We integrate all our advantages to continuously innovate, improve and optimize our industrial structure and product performance. We sincerely look forward to cooperating with customers all over the world. We honor our core principal of Honesty in business, priority in service and will do our best to provide our customers with high quality items and excellent service. We are looking forward to establishing successful business relationships with customers all over the world.