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ProtoTech Machining Co., Limited
9F, Guanlan Kexing Science Park, No. 9 Shijing Road, Guanlan, Longhua District
Shenzhen 518110, China
Phone: +86-755-2937-9771
Mobile: +86-180-2549-6795
Email: info@prototech-machining.com
Tubacon GmbH (Germany)
Phone: +49 163 2875400
Email: michael@prototech-machining.com