The chip is placed in the card
Waterproof, extremely high durability and their robustness againt external influences.
Headquarters: Shenzhen Huahai Smart Card Co.,Ltd.
Address: 5/F, building B, Qiaotong Yuanling Industrial Park, Yuanling Road, Shiyan Town, Bao'an District, Shenzhen City, Guangdong Province, China
Email: sales02@wristband.cn
Whatsapp/WeChat: (+86)18098986001
(+86)18948722001
(+86)18927455676
Branch: Huahai Group Holdings Ltd.
Address: Unit 3,6/F.,Kam Hon Industril Building, 8 Wang Kwun Road, Kowloon Bay, HONG KONG, China.
Office number: 00852-21386086
00852-30691955(fax)