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Enterprises should pay attention to both the needs of users, but also to pay attention to competitors, and strive to find a balance between user needs and competitors marketing concept, known as “market-oriented”, the core of which is from the user's needs Adhere to the market orientation, the pulse of the user, the foothold and the destination point on the basis of the product “sell”, based on the concept, LF Instruments positive development of 20 ℃/min fast temperature change test chamber and successfully introduced to the market. Based on this concept, LF Instruments has developed a 20℃/min fast temperature change tester and successfully introduced it to the market.