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Phone: +86-010-52756970

Address: Room 312, Zone B, Rongguang Business Center, No. 572 Kunming Road, Yangpu District, Shanghai, China

Phone: +86-021-51791348

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Phone: +86-021-51791348

Address: No.9 Heqing Road,Cuiheng New District, Zhongshan, China

Phone: +86-760-85288800

Address: Room 5A, 5/F, China Travel Hip Kee Godown (Godown 2), NO.1 Cheong Hang Road, Hung Hom, Kowloon, Hong Kong

Phone: +852-23850111

Address: 10/F, No.12 Wenhu Street, Neihu District, Taipei City 114, Taiwan

Phone: +886-2-2657-7370

Address: 161 Baypointe Pkwy, San Jose, CA 95134

Email: salesusa@longsys.com