Founded in 2005, GianTek Quartz (Linyi) Co., Ltd. is engaged in all kinds of quartz products, such as clear quartz tubes, milky quartz tubes, quartz plates and quartz heaters. We provide complete range of high quality quartz glass products.We are pride of our serious, careful and tight quality control progress of products, services and time schedule. We have abundant experience and technique manpower for making precision parts from hard materials. In order to improve experience, we are regularly educated for various production techniques like statistical process control. And we have passed the certification of SGS for European Union.