Service tenet：We build complete service system, provide professional, efficient, standard and rapid service, create premium service brand by taking customer-centric tenet and customer satisfaction as the standard.
   service content：
  Thank you for your supporting to Shenzhen Yuhengda Technology co.,Ltd.. Please read the product manual.before using. According to the terms of the contract stipulated to determine the free warranty period and the warranty period start time.  To standardize company after sale service, better customer service, customer service under the company formulated as follows:
   The machine (cable except) enjoy two year free warranty service in accordance with the relevant provisions of the company, cable three months warranty.
   In the warranty period, the company product quality problems, by the customer return to the company, the company in good repair products and send back to the customer, the company is responsible for repairing one-way freight. Warranty date to the date, the company technical department detection as belonging to the following products, do not enjoy free warranty.
 More than the warranty period;
Caused by force majeure factors, such as fire, earthquake, etc.
The human error, such as damage caused by water immersion;
The work or storage environment, such as temperature, humidity, does not meet the product specifications or manuals etc.