Liyan Jiqi Trading (Shanghai) Co., Ltd. (referred to as Liyan Trading) was established in 2009. It is the only wholly-owned subsidiary of Riken Instrument Co., Ltd. in China. Mainly engaged in the sales and after-sales service of gas detectors and gas alarms produced by Riken Instrument Co., Ltd. in China. Does the product involve petrochemicals and gas? Natural gas, metallurgy, ships, semiconductors? LCD or solar energy? Industries such as fuel cells. The establishment and operation of Riken China enables Riken products to enter the rapidly developing Chinese industrial production safety equipment and device market more directly and quickly. At the same time, we provide more convenient and efficient services, as well as the latest product information, to the customers of numerous multinational companies in China who have already used our products.