Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /usr/local/nginx/html/wwwroot/en/include/mysql.php on line 59 Service Chongqing Yucai Educational Equipment Co., Ltd.
All our products are guaranteed three years for free from the final acceptance completion. Within the warranty period, we will repair or replace products with problems in design, installation or quality (except for human damage and force majeure) free of
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We commit you the following:
In case of product failure during the warranty period, we will, within 30 minutes after receiving the warranty reported by the purchaser, reply and replace the defective parts in whole or in part. Party B or user shall be res
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We use the original parts or materials during the maintenance.
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We will, within 72 hours after receiving the telephone or fax about the after-sales service, reply and give the solution. Party B or user shall be responsible for the local operation. If the problem is serious and cannot be solved in a short time, we will
