Qingdao Trangle Industrial Technology Co., Ltd
Add: Room 278, Sino-German Ecopark Innovation and Entrepreneurship Center, No.172 Taibaishan Road, Qingdao Area, Shandong Pilot Free Trade Zone, China
TEL: +86-15853253275 / +86-17306396126
EMAIL: grace@trangle.cn / info@trangle.cn
WEB: www.trangle.cn