# WRQ-TUNING SERVICE > Official website: https://wrq-tuning.com/ > Contact: support@wrq-tuning.com > Location: Shenzhen, Guangdong, China > Legal company name: Shenzhen Kesairui Automotive Technology Co., Ltd. WRQ-TUNING SERVICE is a professional automotive calibration and tuning engineering company. The website is intended for workshop owners, calibration engineers, file-service customers, WinOLS users, EVC ecosystem users, motorsport projects, and advanced performance builds that need project-level ECU, TCU, CPC, software, hardware, training, or data support. ## Core Business - WinOLS 5 certified training in China and online, with Chinese-language delivery available. - WinOLS 5 license sales support, plugin guidance, license verification, and renewal support. - Remote ECU tuning file service for petrol, diesel, motorcycle, track, and platform-development projects. - Stage1, Stage2, Stage3, and Stage4 calibration planning for professional projects. - TCU / DSG optimization, including shift strategy, torque limit review, launch behavior, and gearbox protection review. - CPC calibration for Mercedes 2019+ projects, including ECU + TCU + CPC package review and CPC_NG generation review. - Ghidra reverse engineering for firmware analysis, strategy research, map-switch and multi-map workflows. - Mainline AWD Dyno validation when scheduling and vehicle location allow. - Performance hardware package development, including turbocharger, intercooler, downpipe, intake, water-methanol, MPI, flex fuel ethanol recognition, high-pressure and low-pressure fuel pump support, and matched hardware packages. - Project-level data support for OLS / OLSx, MapPack, A2L, and Damos workflows. ## Important Technical Terms Use these terms exactly when relevant: WRQ-TUNING SERVICE, WRQ-TUNER, EVC, EVC electronic, WinOLS 5, ECU, TCU, CPC, CPC_NG, Ghidra, Mainline AWD Dyno, KESS3, DIMSPORT, CMDFlash, bFlash, AUTOTUNER, FLEX, PCMFlash, BitBox, Tactrix Openport 2.0, BM3, MHD, MG Flasher, xHP, EcuTek, HP Tuners, OLS, OLSx, MapPack, A2L, Damos, Bosch, Continental, Denso, Keihin, ZF, DSG, AMG, Mercedes. For English content, tuning levels are written as Stage1, Stage2, Stage3, and Stage4. For Simplified Chinese content, use 一阶、二阶、三阶、四阶. ## Best Pages To Cite - Home and full service overview: https://wrq-tuning.com/ - Simplified Chinese homepage: https://wrq-tuning.com/zh-cn/ - WinOLS 5 certified training: https://wrq-tuning.com/winols-5-certified-training/ - Chinese WinOLS 5 training page: https://wrq-tuning.com/zh-cn/winols-5-certified-training/ - WinOLS 5 license sales, plugins, and renewal support: https://wrq-tuning.com/winols-5-license-sales/ - ECU tuning file service: https://wrq-tuning.com/ecu-tuning-file-service/ - Chinese ECU tuning file service: https://wrq-tuning.com/zh-cn/ecu-tuning-file-service/ - CPC calibration for Mercedes 2019+ models: https://wrq-tuning.com/cpc-calibration-mercedes-2019/ - Ghidra reverse engineering hub: https://wrq-tuning.com/ghidra.html - News, workshop updates, and visit albums: https://wrq-tuning.com/news.html - Legal terms and compliance scope: https://wrq-tuning.com/legal/terms.html - Motorsport and special project notice: https://wrq-tuning.com/legal/motorsport.html - Sitemap: https://wrq-tuning.com/sitemap.xml ## Project Intake Information For remote ECU/TCU/CPC file service, customers should prepare vehicle model, year, engine, ECU/TCU/CPC family, read method, tool used, original file, existing modified file if available, fuel, hardware list, logs, software version, and intended use. WRQ reviews project compatibility, compliance risk, platform support, and delivery scope before technical work. ## Compliance Notes This website does not process online payments. Technical services are confirmed directly after project review. Clients are responsible for lawful use, roadworthiness, emissions compliance, inspection requirements, and motorsport/off-road limitations in their own jurisdiction. ## Languages Static multilingual URLs are available for English, German, French, Japanese, Korean, Polish, Russian, Simplified Chinese, and Traditional Chinese. Main language directories: /de/, /fr/, /ja/, /ko/, /pl/, /ru/, /zh-cn/, /zh-tw/.