Tin chemical industry
YUNNAN TIN GROUP(HOLDING) COMPANY LIMITED
Address：No. 471, Civil Aviation Road, Guandu District, Kunming, Yunnan Province TEL：0871-66287166 FAX： 0871-66287216
Sales：0871-66287201（internal trade）、0871-66287202（foreign trade） Website：http://www.ytc.cn Email：ytgh@ytc.cn
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