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Industry customer department

Contact: Miss Zhang 13868379922

Project investment

Contact: Cao manager 13757741984

Contact number: 0755-61954383

Mailbox:jinjian7@jinjianlock.com

After sales service department

Contact: Supervisor Zhang 15990711929

Overseas business cooperation line

Contact: Manager Dai 18128558679

Address: A1 506, aviation city innovation and business park, Xixiang city street, Baoan District, Shenzhen.