Jialian Instrument Co., Ltd. specializes in the production of graphite tubes and hollow cathode lamps for atomic absorption, with the majority of products being OEM. It can be used for atomic absorption produced by companies such as American Thermoelectric, American PE, American Varian, Japanese Hitachi, Japanese Shimadzu, GBC, etc. The price is reasonable, and many products are in stock at the Beijing branch all year round. The company also provides various single element standard solutions and multi-element standard solutions, and can customize various special standard solutions according to user requirements. All standard solutions are imported from the United States and come with original certificates from American manufacturers.