The user should check the quality of the product as required before handing over the product. Defects or faults found after the handover of this product (internal defects found after use are not included) are presumed to be not caused by the fault of Zero Optoelectronics;

After purchasing the product, the user should check whether the actual configuration of the product is completely consistent with the packing list, whether the random data and warranty card are complete, and carefully read the service policy and random data, and properly keep the customer warranty card and random data. If there is any objection, please contact the sales staff in time; For components produced by non-Zero Optoelectronics, Zero Optoelectronics does not provide services, and users should contact the sales staff;

For other services provided by the sales staff other than this service policy, ZERO Optoelectronics is not responsible for the relevant responsibility, and you should ask for a written certificate from the dealer who made the commitment to ensure that these additional commitments can be honored;

This document covers only the Standard Warranty Service Policy. In order to meet your higher-level personalized service needs, you can choose to purchase different types of "service products" for the standard services of your purchased products; upgrade to enjoy more comprehensive services, please contact the salesperson or distributor for details. business contact;

Please back up or retrieve the information program you think is valuable in time before accepting the service. Zero Optoelectronics and Zero Optoelectronics certification service organization are only responsible for product maintenance and testing, and will not provide any services within the scope of this document. Data recovery and backup. Zero Optoelectronics and its certification services are not responsible for damage to or loss of data, programs, or storage media.

We promise to dispatch 1-2 experienced high-level engineers to complete the installation and commissioning of the spectrometer and infrared carbon-sulfur analyzer, and be responsible for training 2-3 operators for the user (the specific number of operators can also be determined by the user according to the actual situation ) to ensure that the user can operate the instrument independently;

During the warranty period, we will repair the instrument and replace the damaged parts free of charge due to the malfunction of the instrument caused by the operator's illegal operation or abnormal factors, but the cost of the damaged parts shall be charged;

We have set up customer support centers across the country to help customers across the country answer their questions in a timely manner through the consultation hotline 15590430303, and also have a team of well-trained engineers to provide high-quality and fast door-to-door services for customers all over the country;

After the user purchases our related products, whether within the warranty period or outside the warranty period, we promise to respond within three hours of the user's request for maintenance, and arrive at the site within 2 working days after the instrument fails (not possible. Except for reasons of resistance) to help users solve problems in a timely manner;

The company will regularly organize user exchange meetings and provide customers with the latest application technical support in a timely manner;

Responsible for life-long maintenance and repair services for the products sold, and provide spare parts supply guarantees in accordance with national product standards to ensure long-term stable operation of user instruments;