Thank you for your purchase of Shanghai Yuyan products. Thank you!
In order to protect your legal rights and protect your worries, please purchase Shanghai Yuyan products through formal channels. Shanghai Yuyan will provide you with the standard warranty service promises and provide you with the following services when you need them:
I. Three-pack service
During the warranty period, Shanghai Yuyan will repair or replace the parts damaged by the product quality for free. Outside the warranty period, whether it is human factors or damage caused by natural damage, Shanghai Yuyan only charges the cost when replacing or repairing parts. When repairing the product, please provide a product warranty card.
From the date of purchase (based on the date on the purchase original certificate, the same below) within 90 days (inclusive), Shanghai Yuyan products appear non-human in the environment specified in the product manual, do not meet the "product specification" and When the hardware performance of the relevant national quality inspection standard fails, the user has the right to choose to replace or repair. If you choose to replace, you need to bring the faulty machine and the original purchase certificate to the Shanghai Yuyan authorized service outlet. The Shanghai Yuyan authorized service outlet will replace the same type of product or faulty accessory for free; if the same model or the same product or accessory has been Discontinued, will replace products or accessories that are not lower than the performance of the original product.
Special note: According to the specific purchase and sale contract, the products sold at special price do not enjoy the replacement service; the demonstration machine special sales to the sale, do not enjoy the relevant policies of Shanghai Yuyan replacement machine.
Within 7 days from the date of purchase, if the Shanghai Yuyan product fails to meet the performance specifications of the “Product Specification” and the relevant national quality inspection standards, the user has the right to return, replace or repair. If you choose to return the goods, you need to bring the faulty machine and the original purchase voucher to the seller of the purchase machine, and the seller will return the goods for the user free of charge. And in accordance with the purchase price (based on the purchase price of the original voucher, the same below) one-time refund of the purchase price.
Special note: According to the specific purchase and sale contract, the products sold at special price do not enjoy the return service, the demonstration machine special sales to the sale, do not enjoy the relevant policies of Shanghai Yuyan replacement machine.
4) In one of the following circumstances, Shanghai Yuyan does not provide three-pack service:
- Exceeding the validity period of the three packs; failing to use, maintain, or store the product according to the requirements of the product;
- The product is not working properly due to the use of pirated, non-standard, self-developed or third-party unpublished software;
- Failure or damage due to abnormal causes such as falling, squeezing, high temperature, corrosion, foreign matter entering, and poor electrical environment;
- Failure or damage caused by force majeure such as natural disasters or war;
- Because the authorized maintenance organization and its personnel confirm the self-disassembly, repair, and installation, causing product failure;
- No factory name, factory address, production date, product serial number, product certificate, product warranty card, or product serial number and label are illegible, loss of goods, unrecognizable;
- The product model or number on the voucher does not match the actual product.