Beijing Crown Technology Co., Ltd. Was established in 2012 with a registered capital of 10 million yuan. It is a professional testing instrument and equipment high-tech company integrating design, R & D, production, sales and technical services. The company has a number of domestic professional and technical personnel. The R & D team with high-quality, top-notch innovative ideas develops multiple series, high-quality, and independent intellectual property rights The technical quality of the products (such as Sieve Filtering Apparatus Tester, carbon black compressor, carbon black oil absorption meter, light-emitting light radiation dosimeter, etc. ) has reached the international advanced level. The company has R & D center, independent machining plant, instrument assembly workshop and product quality inspection workshop. There are advanced production and inspection equipment in the workshop. Through scientific and strict management, the product quality is stable and reliable.