7 China 
2 Russia 
1 Taiwan 
1 UK 
optical telescope lens Photos Catalog - page 72 - WorldBid B2B Market
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Neatel 1 To 8 Plc Optical SplitterCommunications - Equipment - NEATEL OPTICAL COMMUNICATION CO.,LTD - China - December 18, 2025 - check with company for priceThis 1-to-8 PLC optical splitter is a core component of passive optical networks (PON) and other fiber optic communication systems. Its core function is to split a single input optical signal into eight output optical signals according to a set ratio...
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Optical Dove PrismsHand Tools - CLZ Optical Co., Ltd - China - January 11, 2026 - contact company for priceA Optical Dove prism is a truncated version of a right-angle prism, used as a reflective prism inverting the image. It will create an image that is twice the angle of your rotation. Dove prisms are a type of optical prism that offers a unique geometr...
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Optical Brightener ObsChemicals - TIANJIN LEADING IMPORT & EXPORT CO., LTD - China - May 28, 2026 - 1.00 Dollar US$1. Applications: Optical Brightener OB can be used for whitening thermoplastics, PVC, PS, PE, PP, ABS, acetate fibre, paint, coating, printing ink, etc. It can be added for whitening at any stage of process of polymers and can give the finished produ...