Our company repairs hardness gauges of various models and brands, both imported and domestic. Dongguan Haotai Measurement Instruments has been established for over a decade and is one of the earlier manufacturers in Dongguan to sell and repair hardness gauges. We have repaired more than a few thousand hardness gauges (yes, you read that right, a few thousand). Our technicians have extensive repair experience, making it a breeze to fix common domestic Rockwell hardness gauges and simply repairing domestic Vickers hardness gauges. We are proficient in handling the Japanese Mitutoyo brand.MitutoyoHardness tester, Akihane Aoki Co., Ltd., JapanAkashiHardness tester, Japan Sankyo UsedFUTURE-TFCHHardness tester, JapaneseSongzeMatsuzawaHardness gaugeShimadzu of JapanSHIMADZUHardness gauge，USAWOLPERTWobert hardness tester repair, maintenance, and calibration services.

Dongguan Haotai Measurement Instruments has been engaged in the sales and repair services of hardness testers for over a decade. With numerous engineers and technicians, we have extensive experience in repairing hardness machines. We can easily resolve various issues with different types of hardness measurement instruments, and we collaborate with Mitutoyo of Japan.“Mitutoyo”、“TEST”Establish long-term and stable cooperative relationships with distributors and agents of various brand calipers and measuring instruments. Our technical staff can visit the Pearl River Delta region, including Dongguan, Shenzhen, Huizhou, and Foshan, to repair hardness gauges on-site. Local customers can bring their machines for repair, while customers from other provinces and cities can send their hardness gauges via logistics for repair.

Our company specializes in hardness tester sales and repairs, offering solutions to customers' repair issues and a wide range of hardness tester accessories to alleviate their concerns. Note: Since machine models, problem points, and malfunctions vary, the repair costs differ accordingly. Hardness tester repair and adjustment process: First, a free inspection is conducted to identify the fault, then a quote is provided on-site, and the repair will proceed upon customer approval.

Mitsubishi Hitachi Power SystemsMitutoyoModel types for Rockwell hardness tester repair, maintenance, and adjustment include:HR-100，HR-200，HR-300，HR-400，HR-521，HR-210，AR-10，AR-20，ARK-600，ATK-600

Mitsubishi Sumitomo ElectricMitutoyo Model types for repair, maintenance, and debugging of Vickers hardness testers include:HM-101，HM-112，HM-122，HM-114，HM-124，HM-123，HM-113，HM-115，HV-112，HV-113，HV-114，HV-115

Asahi, JapanAkashiModels for hardness gauge repair, maintenance, and calibration include:MVK-H0，MVK-H1，MVK-H2，MVK-H3，MVK-H100，MVK-H200，MVK-H300，MVK-E，MVK-F，MVK-I，HM-101，HM-102，HM-103，HM-112，HM-113，，HV-112，HV-113，HV-114，HV-115，HM-210，HM-220，HM-210A，HM-210B，HM-210C，HM-210D。

AR-10，AR-20，ATK-600，ARK-600，HR-521，HR-522，HR-523，HR-110MR，HR-210MR，HR-320MS，HR-430MR，HR-430MS，ATK-F3000，ATK-F2000，ATK-F1000，ARK-F3000，ARK-F100

Sozu Used from JapanFUTURE-TFCHModel types for hardness gauge repair, maintenance, and adjustment:

Motoyama Antiques from JapanFTRockwell hardness tester repair, maintenance, and calibration models availableFR-1eA, FR-e,FR-3e,FR-1eL,FR-2e,FR-2eL,FR-3eL,LC-200R,LC-200R, FM-100e,FM-100,FM-300e,FM-300,FM-700e,FM-700,FM-800e,FM-800,FM-810e,FM-810 

Motozawa Antiques from JapanFTModel numbers for repair, maintenance, and calibration of the Micro Vickers hardness tester.FV-700,FV-700e,FV-100e,FV-100FV-300e,FV-300