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quality control rewa tech skip to content rewa eu is now live stronger supply chain better local support learn more products close products open products products screens applicable for iphone android tablets laptops etc batteries various capacity and bms solutions small parts cover phones tablets laptops smart watches etc repair tools products for full repair process refurbishing for scratch removal and backcover replacement accessories screen protector films film cutting machines etc services training 500 online and offline courses repair buyback cover and recycle mainstream phone parts see all our products and services brands close brands open brands the right replacement parts just for smart repair coming soon the new accessories brand about us close about us open about us about rewa electronics repair business solutions provider quality control industry leading qc standard customer story listen to success stories become a partner shop academy rewa eu en es fr de it en es fr de it products screens applicable for iphone android tablets laptops etc batteries various capacity and bms solutions small parts cover phones tablets laptops smart watches etc repair tools products for full repair process refurbishing for scratch removal and backcover replacement accessories screen protector films film cutting machines etc training 500 online and offline courses repair buyback cover and recycle mainstream phone parts see all our products and services brands the right replacement parts just for smart repair coming soon the new accessories brand about us about rewa electronics repair business solutions provider quality control industry leading qc standard success story listen to success stories become a partner shop academy rewa eu english english español français deutsch italiano follow us benchmark the industry quality control every product from rewa is 100 strictly tested view details total quality control standard 4 quality classification oem new original and new from the original manufacturer oem used refurbished from originally used parts through replacing cleaning oxidizing and polishing s grade made from original materials and assembled by a third party factory a grade materials compatible with the original and assembled by a third party factory 4 quality control levels 4s it is the highest on the market such as operator and refurbishing facilities 3s quality oriented above average such as chain store insurance company 2s average and good enough to use such as repair shop distributor 1s price oriented below average such as most needs from developing countries total quality control process we ensure that every product meets the high standards you expect our quality control process involves comprehensive inspections and assessments so you can feel confident in every purchase step 1 factory delivered step 2 rewa lab 1st test step 3 1st cosmetic and function inspection step 4 warehouse stock step 5 2nd cosmetic and function inspection step 6 components assembly step 7 2nd function inspection step 8 stamp packing step 9 shipping screen battery small parts aging test verify display verify function verify backlight bonding test conditions 20 2hrs 55 55 rh 2hrs 55 4hrs appearance test examine for dust scratches bubbles check if the front bezel is deboned or damaged check if the screw holes are blocked test hydrophobic effect with water alcohol n hexane display test measure the brightness nits measure color temperature and color gamut measure the resolution test the backlight evenness function test test polarization measure light transmittance rate test the true tone function test 3d touch and responsiveness fitment test measure thickness width and length measure screen borders and notch install the screen and check the fit aging test test batteries are to be stored for 4 hours at 70 appearance test check battery cell surface check silk screen label printing measure the length width thickness and weight function test over charging over discharging protection test over flowing short circuit protection test quality test capacity internal resistance measurement discharge mid voltage test bms board performance test appearance test check for signs of use alignment of solder pins check for watermarks basic functions test photo clarity light sensitivity focus test zoom test portrait mode function test testing for the presence of a portrait mode testing the ability to focus in portrait mode testing the adjustability of portrait mode parameters certified globally iec62133 ce fcc rohs msds un38 3 sds ready to power your repair business contact us to get the best solutions to learn start or grow your repair business contact us rewa provides customized business solutions including product sourcing repair training and value added service to help our partners run their repair businesses more efficiently rewa tech about us products quality control warranty policy career about us products quality control warranty policy career explore more customer story become a partner shipment customer story become a partner shipment our brands repart refox rewa eu rewa shop rewa academy coming soon resources news blog videos news blog videos 2026 rewa tech all rights reserved privacy policy terms conditions disclaimer cookies report privacy policy terms conditions disclaimer cookies report we ve detected you might be speaking a different language do you want to change to english english english español français deutsch italiano change language close and do not switch language we ve detected you might be speaking a different language do you want to change to english english english español français deutsch italiano change language close and do not switch language quality above all as one of the most professional electronics aftermarket solution providers in wireless repair industry rewa has been dedicating itself to benchmarking the industry quality control every screen from rewa is 100 strictly tested by our specialized qc team this is our promise for customers and we are confident with our products because we take quality above all as our producing and testing principle all the time