Lanzhou LS Heat Exchange Equipment Co., Ltd. (LSHE in short) is an enterprise specialized in manufacturing and service of plate heat exchangers subordinated to Lanzhou LS Group Company. LS Group is the largest production base of oil drilling and producing machinery, oil refining and chemical processing equipment in China. It is the first enterprise in China granted design and manufacturing license for Class I, II and III pressure vessels by the former Ministry of Labor and Personnel, also the 1st in China authorized by ASME to use U and U2 stamp on its pressure vessels. It has obtained API authorized certificate to use API monogram on its oil drilling rigs. LSHE got the Certificate of Type Approval for Marine Product from CCS and BV respectively, and design and manufacture license for equipment in nuclear power plant, all the first in China. Being the largest plate heat exchanger supplier in China, LSHE designed and manufactured the first plate heat exchanger of China in 1965. In 1985, it imported complete software and hardware of BR series plate heat exchanger from Schmidt-Bretten in Germany and then delivers its products with common brand name. The products of LSHE has won customer’s trust after repeated market competitiveness. Under the selective examination of the industry performed by State Quality and Technical

Supervision and Quarantine Bureau, plate heat exchanger of LSHE rank the first in terms of quality and technology for fourteen successive years. With over forty years of experiences of design and manufacture of plate heat exchangers and based on market demand, LSHE has developed more than thirty types of gasketed plate heat exchanger, substation unit, welded plate heat exchanger and wide gap welded plate heat exchanger, etc. In which: BR1.6 plate heat exchanger was one of state significant project contracted by LSHE during the eighth-five-year plan of China. The successful development of welded plate heat exchanger bridged one of the gaps of plate heat exchanger industry in China , and the successful development of wide gap welded plate heat exchanger broke the monopoly position of foreign company in Chinese market. Now the wide gap welded plate heat exchanger has been widely applied in the production of fuel ethanol and sand aluminum oxide in aluminum industry. Innovation, Efficiency, Harmony and first class is the spirit of LSHE. Sincerity being the foundation and striving for perfection is its philosophy. Relied on strong design and manufacturing capabilities of LS Group and its own quality system, Lanzhou LS Heat Exchange Equipment Co., Ltd. can provide customers with quality products and perfect service.