Shenzhen Ronghua Electronics Co., Ltd. has subsidiaries in Shanghai, Guangzhou and Qingdao (Shanghai Ronghua Yitejia Electronics Co., Ltd., Guangzhou Ronghua Yitejia Electronics Co., Ltd., Qingdao Ronghua Yitejia Electronics Co., Ltd.), and has set up Yitejia Marketing Center in Shenzhen headquarters. At the same time, it has sales/service networks in all regions of the country, and has experienced service assurance teams, It can meet the product and service needs of all Dalian lock enterprises and local customers in the shortest time.

　　Pre-sales service

　　| Carefully check all ex-factory products to ensure quality.

　　| Free on-site measurement and design, providing the most appropriate model configuration scheme.

　　On-sale service

　　| Free on-site installation and commissioning.

　　| Meet user requirements as much as possible and coordinate well.

　　| Free system use and maintenance training for users.

　　Ａfter-sale service

　　| Free 400 service hotline 400-084-7608

　　| Free one-year warranty

　　| Free maintenance, maintenance and product function upgrading during the maintenance period