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3,4-Dihydro-2H-pyran (28)CAS RN:110-87-2
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Jiangsu Qingquan Chemical Co., Ltd.Telephone:+86-571-86589381;86589382;86589383
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grandachem Ltd.Telephone:0086-592-5333280
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AFINE CHEMICALS LIMITEDTelephone:+86-571-85232125;85232161;85134551
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Capot Chemical Co., Ltd.Telephone:+86-571-85586718
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Tianjin Maidisen Chemical CO., LTD.Telephone:0086-22-83711859 83711869(sales)
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Hangzhou Shuyuan Pharmaceutical Technology Co., Ltd.Telephone:+86-571-86066502;18958062155
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Hangzhou ICH Biofarm Co.,Ltd.Telephone:86-571-89939478 89939480 89939481
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Punachem Company LimitedTelephone:+86-21-64020796
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Shandong Yino Biologic Materials Co., Ltd.Telephone:86-0393-8293966/0635-7886156
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Tianjin Hitechs Co., Ltd.Telephone:+86-22-87895812