About JJT


JJT dust-free cleanroom production line

Who We Are


Shenzhen Jianjiantong Technology Co., Ltd. (JJT) was established in 2009 in Shenzhen, China. JJT focuses on mobile 3C electronic protective films, covering R&D, production and sales for phones, watches, laptops, tablets and car screens. The company operates a 10,800+ m² facility including a 10,000 m² dust-free workshop, with 230 employees including a 20-person R&D team, supporting a maximum daily production capacity of 600,000 pieces. JJT provides customized one-stop OEM/ODM services and has built long-term partnerships with B2B buyers and distribution partners worldwide.

Manufacturing at a Glance


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Employees, including 20 R&D staff

0+ m²

Total factory area with 10,000 m² dust-free workshop

0 pcs/day

Maximum daily production capacity

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Certificates, including 80+ invention patents

Company Timeline