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Company Profile
Optolong Optics Co., Ltd is the brand owner of optolong who is a manufacturer of astronomy filters, fluorescence filters. We also offer other interference filters like UV filters, visible filters and Near inferred filters, beam splitter, anti-reflection coating and optical mirrors as a OEM service. Located in Kunming city in China which is one of the four optics center and the coating experience of 23 years (since 1999) enable us to design and produce the filters with most sophisticated spectrum. We are glad to declare that Optolong has been become the first and only non-replaceable brand for astronomical filters in China. Optolong brand is also known as the comparable filters with international brand by distributor client around the world. Five bands bandpass filter L-PRO has gotten the most positive feedback from astronomy photographer, astronomy amateur. We also manufacture others filters like UHC, H-Beta, O-III, H-Alpha, SII, LRGB, Night Sky H-Alpha are also the. Check more info... [View More..]
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FAQ (Frequently Asked Questions)What is your business model?Optolong Optics Co .,Ltd's business model is Manufacturer,Trader. We focus on providing reliable sourcing and export services to overseas customers. What products does your company mainly supply?Optolong Optics Co .,Ltd main business scope includes Optical Coating Filters. Product specifications and availability may vary by order requirements. Where is your company located?Optolong Optics Co .,Ltd is located in Yunnan in China. Business visits can be arranged by appointment. Do you support OEM or customized orders?OEM and customization services are available depending on product type and order quantity. Please contact us with your customization requirements. What is the minimum order quantity (MOQ)?Minimum order quantity varies by product and specification. Trial orders may be considered for certain items. What payment terms do you accept?Commonly accepted payment methods include T/T and L/C. Payment terms depend on order value and cooperation conditions. How do you arrange shipping?We support common trade terms such as FOB and CIF. Shipping can be arranged by sea, air, or courier based on customer requirements. How is product quality controlled?Products are inspected during production and before shipment to ensure they meet agreed quality standards. What is the typical lead time for orders?Lead time depends on product type and order quantity, usually ranging from 7 to 30 days after order confirmation. |
