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ADD：Guoyuan industrial development zone, tongzhou
district,beijing,china |
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P.C：101101 |
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TEL：010-65535631 65535731 |
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FAX：010-65535630 |
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E-MAIL：sales@crystal-bj.com |
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| OVERSEAS OFFICES: (JAPAN DISTRIBUTOR) |
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ADD:1594-2 NISHIYAHATA RYUO NAKAKOMA
YAMANASHI JAPAN |
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TEL：81-55-279-7099 |
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