big diameter clear glass bell jar bell cover/bell jar/bell cover:
1.Extraordinary Reliability -
Thermo Materials' ISO 9000 quality system mandates 100% inspection using assisted visual, ultrasonic and other quality assurance techniques for crucibles
2.Outstanding Thermal Shock Resistance
It maintains the lowest coefficient of thermal expansion of any commercially available material
They are reliable performance to extreme temperatures and pressures.
The chemical composition of quartz boat: (unit: ppm)
| Fe|| K|| Na|| Li|| Ca||Mg|| Cu||Mn|| Pb|| B|| Ti|
|20|| 1.0|| 3.5|| 3.5|| 1.0|| 2.0|| 0.5|| 0.3||0.5||<0.01|| <0.2|| 2.0|
Packaging & Shipping
1.pearl cotton 2.bubble pad 3.carton 4.standard wooden case
1. OEM service
2, produce per customers' request such as design & package & printing logo
3, special package for fragile products to make sure no broken in transportation
HIGHBORN is one of the leading high quality quartz glass and precise ceramics manufacturer and supplier in China.
HIGHBORN has always been a defining force in the sale and fabrication of quartz glass within the semi-conductor, chemical, solar Energy and precise ceramics within semi-conductor , solar energy, textile, electronic, and laser industries.
Not only have we mastered the fabrication technology, our strength has always been based around listening to and understanding our customer's requirements and expectations.
Continuous improvement in all areas of our business is key to our grouth. What is equally important to us is maintaining in business, our inherent family values of trust, faimess and respect to our employees, suppliers and customers.
1. The Trade Assurance Service is ready for you and our guarantee account is USD40000.
2. 8 years Alibaba golden supplier.
3. 0% compain feedback.
4. 100% good reputation.
1.Q: How can I get some samples?
A: If have sample in stock, we can offer it free. However, you need to afford the freight charge. If it is need to be customized, we will charge you some fees without profit.
2.Q:How to protect my product?
A:We have more than 10years export experience and have received high recognition and praise from our customers.
We have many skilled workers and they know how to protect the product. During the 10 years, there's no breaking.
3. Q: How to send the product to me?
A: By ocean, air or by express.
4. Q: Can you offer door to door service?
A: We have much experience in door to door service and price is competitive.
5.Q:Which certificates do you provide?
A:ISO, RoHS and CE certificates.