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.

• Semiconductor industry: high-temperature diffusion, oxidation and annealing furnace tubes
• Photovoltaic & solar energy: monocrystalline/polycrystalline silicon growth furnaces
• Optical fiber industry: optical fiber preform sintering and drawing furnaces
• High-temperature industrial heating: industrial furnaces, infrared heating components
• Chemical industry: reaction tubes for strong corrosion and high-purity environments
• Laboratory & scientific instruments: high-temperature test equipment, spectrometers
• Electric light source industry: high-power UV lamps and special light tubes

We are a professional manufacturer with dedicated quartz tube production lines. We own 2 tube drawing furnaces and 3 forming tube machines, supported by complete fire processing lines.

Our monthly capacity for large-size quartz tubes is 50–100 pieces. The dimensional precision can reach ±0.5 mm.

We support custom processing for various quartz instruments, including quartz furnace tubes, negative pressure tubes, quartz reactors, and other high-temperature quartz components.

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

1. Q1. Can I have a sample order? A: Yes, we welcome sample order to test and check quality.

2. Q2. What about the delivery time? A:Within 15 days after receiving deposit.

3. Q3. Do you have any MOQ limit? A: Low MOQ, 1pc for sample checking is available

4. Q4. How to proceed an order in your factory? A: Firstly let us know your requirements or application. Secondly We quote according to your requirements or our suggestions. Thirdly customer confirms the samples and places deposit for formal order. Fourthly We arrange the production.

5. Q5. How do you ship the goods and how long does it take to arrive? DHL, UPS, FedEx or TNT are optional for small order. It usually takes 3-5 days to arrive. Airline and sea shipping are also available.