900nm longpass optical ir filter

1 Surface quality: 0/0, 40/20 ~ 80/50

2 Surface Accuracy: 1/10 in, 1/4 into 2 into
3 Thickness Tolerance: ± 0.01mm ~ ± 0.02mm
4 Parallelism: 5Arc second ~ 1Arc Minute
5 Processing range: up to 0.2mm thickness of the thinnest
6 Coating
7 steel

 Sample:

Process

Huihong Optics founded in the early 1990s. This company mainly produces electronic equipment of high quality such as every type of colored optical glass,colourless optical glass,(ray)filter,(colour) filter, heat-protecting glass,quartz glass,infra-red glass,near-infra-red glass,ultraviolet black glass,neutral gray glass,orange glass,green glass,yellow glass,band-pass filter,filter specially used by automatic money counting machine and so on.Our products have been exported to Europe ,the US,Southeast Asia ,Japan , South Korea, HongKong ,Mexico and Taiwan and been highly recognized by users. Our sales pitch is with us your money in safe your business in safe . Hope fully to be your honest dealer and trustworthy supplier in China. 

1. available for OEM orders

2. high capacity production

3. certified and qualified technicians

4. high automated manufacturing system

5. excellent customer service and quick response

6. competitive price

7. high quality

8. customization size

 We can guarantee the good quality and quickly delivery time. The materials can make all the coloured glass filters, we can do the OEM orders, just need to tell us the size and thickness.

1. Q: How can I get some samples of the filter ?
A: If have sample in stock, we can offer it free based on the freight charge collected. If it is need to be customized, we will charge some fees without profit.

2. Q:How can I place the order to you?
A:You can contact us by TradeManage and send the inquiry through Alibaba.

3. Q:How can I pay for you?
A:T/T, L/C, West Union and credit card payment.

4. Q:How can I trust you?
A:We are the 2 years Alibaba gold supplier and have more than 20 years experience to own good reputation.
The Trade Assurance Service is ready for you and the guarantee account is USD26000.

5. Q: Terms of payment?
 L/C, D/A, D/P,T/T, Western Union, Money Gram are all ok, but maybe some of these are limited for special countries.

. Q: How can I get some samples of the filter ?
A: If have sample in stock, we can offer it free based on the freight charge collected. If it is need to be customized, we will charge some fees without profit.

2. Q:How can I place the order to you?
A:You can contact us by TradeManage and send the inquiry through Alibaba.

3. Q:How can I pay for you?
A:T/T, L/C, West Union and credit card payment.

4. Q:How can I trust you?
A:We are the 3 years Alibaba gold supplier and have more than 20 years experience to own good reputation.
The Trade Assurance Service is ready for you and the guarantee account is USD26000.

5. Q: Terms of payment?
 L/C, D/A, D/P,T/T, Western Union, Money Gram are all ok, but maybe some of these are limited for special countries.