Beijing Karaltay Scientific Instruments Co., Ltd. is a professional manufacturer for spectrophotometers consumables and HPLC & GC consumables. Our products include glass cells, quartz cells, graphite tubes, hollow cathode lamps, syringes, syringe filters, membranes, filter paper and etc. Bearing in our mind that our customers need most reliable products, we have always been doing our utmost to supply quality products in our years of history. Most of our products are sold to many continents in the world. With the efficient efforts of our R&D team, new products are coming out all the time. Our products include electrical chemical instruments, laboratory instruments, Pharmaceutical instrument, glass cells, quartz cells, graphite tubes, hollow cathode lamps, syringes, syringe filters, membranes,...

A.H.A International Co., Ltd. (A.H.A), reformed from its former Anhui Chemicals Imp & Exp Co., Ltd, founded in 2002, is one of the largest non-state-owned import and export enterprises in China. A.H.A's turnover in 2006 is USD220million, USD164 million for export and USD56 million for import, ranking the third among the international trade companies and the eighth among all enterprises in Anhui Province. From the year of 2003 to 2006, A.H.A has been keeping to be the largest exporter among all the non-state-owned enterprises in Anhui Province. Our main exported products: pharmaceuticals, chemicals foods & nutrition, rubber and plastic products, Machinery & electrical products, auto parts & accessories, light industrial products, hardware, metals and mineral products, textile and garments, daily...