Since 2010 they are produced in china, whose development is very hard ,and also be frustrated overseas.In the first of production, their own position is not clear and blind production, so that they are lack the cooperation and docking with the host product, and produced in accordance with the same standards. They don't care about whether their products can meet the market requirement but blindly pursue the production. With the external competition and rapid change of the market,many domestic enterprise have realized the success to make their products be approved in the domestic and foreign markets.They must constantly develop new products in the basis of giving full play to their advantages of their products,and strengthen the construction of marketing management system, in order to improve the marketing execution.Through protracted and unremitting efforts in these many year, the domestic enterprises have a small achievement, and occupy some overseas markets.

But under the background of this good situation, there are also some worried problems.in the current situation, the enterprise of instruments shall timely adjust the structure of products, control the scale of investment and compression non-productive expenditure. Undoubtedly, it also has positive significance.

Fortunately during the twelfth five-year plan, the high-end equipment spare parts localization efforts will further increase.It is very different for import substitution feasibility in china, the high-end submersible type liquid level transmitter industry needs to be more support of policy guidance and scientific research. So that these industry will show good development prospects.