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GOLD APP INSTRUMENTS CORP. LTD.

HongKong Add:  Flat Rm A17, Legend Tower, No. 7 Shing Yip Street, HK, China

Mainland Add: R1302, Baoli Tianyue, Shaowen Rd., Yanta Dist., Xi'an 710077, China

T:  +86-182 0108 5158

E:  sales@goldapp.com.cn