Products glassware is the use of glass and made of excellent performance, widely used in various laboratories, such as chemical laboratories, medical testing laboratories, biotechnology laboratories, research laboratories and teaching laboratories. Product attributes of high purity (low impurity), high accuracy, precision glass tube from which 30 years ago ￠ (10.0 ± 0.6) mm up to ￠ (10.0 ± 0.1) mm, in order to meet the needs of mechanized production. Other notes Shengyuan Science Equipment Co., Ltd. Yantai is the leading brand in Sichuan Sichuan Glass Group in Yantai designated agents, the company sells scientific instruments, glassware are agents from Sichuan Glass Group, All products are precision instruments testing and strict quality control to ensure product accuracy and safety when performing experiments. Please specify the details of the transaction at the time of purchase dwell Contact: Mr. Wang Tel 0535 -6883515 13365359020 Address: Yantai City Tong Jiang Road 9 Birch Building, Room 2008 Website: www.ytshengyuan.com