ba sro4 factories verified

Qingdao Smad Electric Appliances Co., Ltd., was set up in 1999 and rebuilt in 2003. After many years of hard work, we have become one normalized and professional enterprise. Now SMAD has a staff of 600 persons and an annual production of 350 million Yuan.

Our company's main business includes: Strontium metal, road freight transport, development, production and sales of fine strontium salt series products, chemical products and raw materials sales, the export business of the company's own products.

Ningbo Hui Hesing Advanced Tech Material Co., Ltd. Specializes in developing manufacturing and selling of permanent magnetic products, HHS Magnet is a professional manufacturer of permanent magnets for over 18years. We focus on NdFeB magnets and Ferrite magnets with a capacity up to 1, 000 tons of NdFeB magnets, 8, 000 tons of ferrite magnets and over 10 million magnetic assemblies annually. We have our own raw material factories so our prices are more competitive than other suppliers.

Founded in April 2016, Shanghai Ruitai Photoelectronic Technology Co., Ltd. (Raytekoptics)is located in Jiading industrial base, Shanghai National Technology Transfer Center, Chinese Academy of Sciences, adjacent to the Institute of Optics and mechanics, Chinese Academy of Sciences. At present, the company has nearly 50 employees, mainly producing and selling all kinds of optical components, including all kinds of optical lenses, optics mirrors, optics windows or diffusers, optical filters, polarization optical components, spectrometers, optical prisms, optical diffraction gratings, infrared optical components, fiber assemblies, laser optical components, coated optical components, ultrafast optical components, transfinite optical mirrors, etc. As a wholly-owned subsidiary of Shanghai Jingzhi (formerly Shanghai silicon sword) new materials Co., Ltd. And Shanghai C-laser, Shanghai Ruitai Photoelectric has a professional production base of 10000 square meters and various processing equipment, including large water jet, horizontal band saw, CNC machining center, multi-function milling machine, CNC fine carving machine, CNC plane precision milling machine, CNC lathe, water mill, internal circular slicer and polishing machine, polishing machine, Focused ion beam(FIB), Magnetorheological Polishing (MRF), CNC six axis small grinding machines, interferometers and other sophisticated equipment dozens. On this basis, Shanghai Ruitai Photoelectric can provide customers with accurate, complete, high quality optical parts customized processing services. Our products sell well in Europe, the United States, Russia, Japan, South Korea, Germany, Spain, Italy, France, Saudi Arabia, Canada, Australia, New Zealand, Norway, Argentina, South Africa and other countries and regions, and are deeply recognized and appreciated by users at home and abroad. In addition, Raytek Optics widely supply all types of optical parts made of Corning, Schott, Hellma, Nikon, Ohara, AGC, Vitron and other materials, including quartz glass, glass ceramics, optical glass and coating materials. The main domestic optical mechanical (Electrical) institutes, research institutes and astronomical institutes at all levels have established extensive and profound business relations with us.