| Shengfan Quartz tube characteristic | |
| *Brand | Shengfanquartz |
| *Quartz name | Quartz flange tube |
| *SIO2 | 99.99% |
| *Density | 2.2(g/cm³) |
| *Degree of hardness moh’ scale | 6.6 |
| *Melting point | 1732℃ |
| * Working temperature | 1100℃ |
| *Annealing point | 1180℃ |
| *Softening point | 1630℃ |

We have obtained a complete set of certifications including ISO9001, CE, RoHS, MSDS and Gold Supplier Certification, ensuring stable product quality and reliable supply capacity for global customers.

Lianyungang Shengfan Quartz Product Factory is a professional manufacture specialized in research and development of quartz plate,quartz tube,quartz flange,quartz ring,cuvette and quartz instrument. The company is located in China Crystal Capital - Donghai City, Jiangsu Prov., China. 70 km far from Lianyungang port, convenient transportation. Covering an area of 5000 square meters,we now have over 80employees,an annual sales figure exceeding USD 10 million. With the philosophy of Technology Orientation, Quality First,Integrity and Responsibility,Sustainable Operation, the company dedicates to establish an international enterprise with standard and sustainable operation capability.

The company adhere to the integrity of business, experience, reasonable price, quality assurance, to provide excellent after-sales service, we sincerely welcome customers to come to negotiate