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Outlines Frequently Asked Questions In The Market Analysis

1. outline standard luminous intensity coefficient is small, there may be caused by wear. With the prolonged use of molds, kernel will wear out leads to reduced precision, makes sheets of reflective brightness down.
2. sealing performance degradation is the reflector and back caused by the irrational structure.
3. bracket backplane height should be greater than 1.5mm, but some businesses to reduce costs, cut corners, production support base plate thickness are not up to standard.
4. outline of standard surface treatment, hot-dip galvanized, galvanized thickness are not up to standard, will also affect the quality of profile.