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The company was founded
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Silicon carbide membrane was successfully developed
Implement liqun Tobacco Phase I project -
Membrane preparation invention patent authorization
Implement liqun Tobacco Phase II project -
Large diameter silicon carbide membrane was successfully developed
Won the bid for Henan Tobacco project -
Research and development Center for the preparation of built - up membrane
Realize the first product export -
Annual output of 100,000 square meters of silicon carbide membrane
Standard modern plant put into use