Shenzhen Welldone Technology and Industry Co., Ltd. of China was found in 1995, is a leading manufacturer and exporter of wireless door phone, wireless intercom system, wireless intercom access control system, and wireless door-releaser in China. We mainly focus on short-range wireless communication products, residential security products, and electronic products. The patent products of wireless door phone and wireless intercom access control system are designed specially for modern residents and office building consumers. They have the integrated functions with wireless intercom and door remotely opening. These new products reflect the design idea of technology and humanization. They will take the lead in trendsetting of future consumption for household wireless products.

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King One Certification Consulting Ltd. is the most professional agent. which is specialized in consulting services for export and import of renewable resources for overseas suppliers and domestic buyers in Beijing. King One Certification Consulting Ltd. has five branches which located in Tianjin, Qsingdao, Shanghai, Hangzhou, Guangzhou. King One Certification Consulting Ltd. engaged in the business in 2007, and obtained ISO9001:2008 certification in 2009. With extensive experience in the field of international trade for renewable resources import, close team coordination and wide range of social relationships, King One has always been a leading position in consulting services for export and import of renewable resources for overseas suppliers and domestic buyers. Since 2007, King One Certification Consulting Ltd. has already successfully helped more than 600 applicants obtain AQSIQ license all over the world and established a professional, honest, efficient corpo...

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