YanTai ChaoQian Machinery Co.,ltd it is a private innovation company specializing in the R & D,production and sales of mid-to -high-end hardware products . in 2014,we independently developed various types of door locks,handles,hinges,engineering machinery precision castings, steel precision cast pipe fittings,precision cast valves,special-shaped seals etc. China YanTai ChaoQian Machinery Co.,Ltd add: #503, ,changjiang road ,fushan area, yantai city , shandong china. tel: 86 535 6110388 fax: 86 535 6110399 email: wzy@ whatsapp: 852 6796 2017 Tiktok:wangzhiyu77 wechat: 86 178 6281 6975 facebook: @ Linkedin : @ Twiter: @wzhiyu577
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