Adapter Leads  Manufacturers, Traders, Suppliers

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".

SPIR STAR AG, headquartered in Rimbach-Mitlechtern, is your specialist for the manufacture of thermoplastic ultra-high-pressure hoses with spiralized steel-wire reinforcement for a working pressure range of 345 to 4,000 bar and inner diameters ranging from 3 to 32 mm.
The company’s internationalisation and thus increasing demand eventually enabled the company to relocate to its present facility in the year 2001. Since then, ultra-high-
pressure hoses have been produced with state-of-the-art machinery and equipment and the hoses have become a staple in the Waterblast, Hydraulics, Oil & Gas and Automotive industries. In addition to this, the continuous development of new and innovative hose types ensures the company’s sustainable presence in its relevant markets.
For more than 30 years, SPIR STAR has been offering premium product quality – Made in Germany – combined with forward-looking innovation and outstanding customer service.