high precision led module 1.with tolerance +/-0.0001mm,high precision 2.custom services 3.2630 PMMA 4.injection processing custom high precision led module for ... with a tolerance of ±0.0001” / ±0.002mm.to meet the requirements of the high demanding customers in the United ... ,High Precision,High Quality, No Upper Limit! Expand our project,not only mould making,also custom high precision led module for ...