from several major domestic film production companies, film production technology in recent years not too significant, but the average thickness of the film has been from the beginning of the 23 m down to the current 17 m, 15 m to the recent development trend. another force field winding film is the use of domestic equipment manufacturers, they accounted for 70% of the market share. although compared to the production of the film quality and not the wrapping film manufacturers, but its price is low, occupy the vast low-end user market.
in general, cpp, opp and other relative film industry, technology is relatively simple, relatively little investment, the customer does not have high requirements on quality, resulting in small line equipment factory and small line membrane plant at home are more easily developed. the prospects for the development of general film broad.
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