Optische filters  Fabrikanten, distributeurs en leveranciers

GRT(Beijing Guangruntong Technology Development Co., Ltd.) is headquartered in Beijing Zhongguancun Hi-Tech Park and began in April 2008. GRT has gathered a group of senior R&D personnel with an average age of more than 15 years. Under the background of the rapid development of the optical fiber industry and the optical fiber to households, GRT has always adhered to the strategic principles of quality and innovation, and has gradually grown into a high-tech fiber optic company that is currently well-known in China, which integrates R&D, production and marketing, and has its own intellectual property and its own brand.
The main products of GRT are Optical Fiber Network Cards, Optical Fiber Modules, WDM devices, Optical Converter, Optical Fiber Patch Cord, and Optical Splitter. All kinds of products have passed international certification such as FCC, CE, and ROHS, as well as national industry certification, and have won a number of scientific and technological progress awards and excellent product awards. On the road ahead, GRT is committed to building China's own national enterprises, achieving the goals of "Optics Links The World, Connects Us Togetcher".

We take precision seriously
Optik+ is your expert and experienced partner in optical precision machining. Since 1926, we have been working with the utmost precision on materials like glass and ceramics to gain the trust of our customers.
Our extensive know-how is always based on the latest developments, and this ensures that we can offer our clients the highest possible level of reliability. As a traditional family company – the fourth generation is already well-established within the company – we place great importance on a number of rather rare values: loyalty; courtesy and respect, also towards our employees, a sense of responsibility and sustainable entrepreneurship.
Driven by the spirit of the past, we focus on today and also what the future holds in store - with our accredited products and services, we successfully occupy a niche in this specialised branch. However, that doesn’t mean to say that we don’t trust ourselves to come out into the open. We are happy to convince you by providing the perfect solutions for your optical products.