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Hefei WNK Smart Technology Co., Ltd offers sound warranty liability for complete instruments.
12 months after shipment
Human factors and irresistible factors.
4.1 Material and spare parts cost are borne by WNK.
4.2 Warranty Hotline：
Hefei WNK head office service center telephone:+86-551-65369569
1. WNK offers lifelong and comprehensive service, our purpose of service is ：
1.1 Make sure product running successfully and fluently without interruption.
1.2 Long-term high measuring accuracy and extending products service life.
1.3 Minimize user's maintenance and management costs.
2. Service Items
2.1 Offering guidance of installation and debugging.
2.2 Technical support：
2.3 Replacement of spare parts
2.4 365 days whole year 24 hour service hotline, timely and accurate answers to each user's technical advice; if onsite service is necessary for user fault repair, we will arrange personnel to the scene in time.
3.1 After each service finished, our onsite staff needs to fill in "after sale service" confirmed by the user signature.
3.2 To track usage situation with user and conduct user satisfaction surveys; users are welcome to make a comprehensive evaluation of product quality, service quality and the rationality of service charges.